Instytut Fizyki Teoretycznej

Byli pracownicy

prof. Andrzej Pękalski

Publikacje

On evolving chains of cube-free binary sequences,
J. M. Kowalski, A. Pękalski
Notes on Number Theory and Discrete Mathematics 27, 79, 2021
Plant coexistence without asymmetry in competitor-colonizer abilities or spatial heterogeneity in resource distribution,
A. Pękalski, H.-H. Wang
ECOSPHERE 12, e03353, 2021
Influence of a political scandal on voting in a simple mode,
M. Droz, A. Pȩkalski
Physica A 549, 125027, 2020
Role of zealots in a network model of cooperative political associations,
J. M. Kowalski, A. Pȩkalski
Physica A 549, 123915, 2020
Simple model of opinion formation with bias,
M. Droz, A. Pękalski
Physica A 525, 724, 2019
Fast power law-like decay for a diffusive system with absorbing borders,
M. Droz, A. Pękalski
Physica A-Statistical Mechanics and its Applications 470, 82-87, 2017
Role of tolerance to resource demand - supply mismatch in a model of annual plants,
M. Droz, A. Pękalski
Plant Science Today 4, 191, 2017
On the Role of Fluctuations in the Modeling of Complex Systems,
M. Droz, A. Pękalski
Frontiers in Physics 4, 35, 2016
Species richness in a model with resource gradient,
M. Droz, A. Pękalski
Theoretical Ecology 9, 409-416, 2016
Role of detritus in a spatial food web model with diffusion,
A. Pękalski, J. Szwabiński
Phys. Rev. E 89, 052714, 2014
Dynamics of three types of annual plants competing for water and light.,
A. Pękalski, J. Szwabiński.
Physica A 392, 710–721, 2013.
Model of annual plants dynamics with facilitation and competition,
M. Droz, A. Pękalski
Journal of Theoretical Biology 335, 1-12, 2013
The impact of competition and litter accumulation on germination success in a model of annual plants, ,
Z. Kącki, A. Pękalski,
Physica A 390, 2520-2530, 2011,
Food Web model with detrytus path ,
J. Szwabiński, A. Pękalski, I. Bena, M. Droz,
Physica A 389, 2545-2556, 2010.
On the role of mobility and hunting effectiveness in a prey-predator model ,
M. Droz, A. Pękalski,
Eur. Phys. J. B 77, 581–586, 2010.
Stability of a model food web,
J. Szwabiński, A. Pękalski
Phys. Rev. E 79, 021915, 2009.
Surface diffusion of charged particles: Monte Carlo study,
K. Pawlikowski, A. Pękalski
Phys. Rev. B79, 05419, 2009.
Does sex induce a phase transition?,
P.M.C. de Oliveira, S. Moss de Oliveira, D. Stauffer, S. Cebrat, A. Pękalski
Eur. Phys. J. B 63, 245-254, 2008.
Effects of competition and predation in a three species model, ,
J. Szwabiński, A. Pękalski, K. Trojan,
Banach Center Publ. 80, 265-269, 2008,
Extinction risk and structure of a food web model,
A. Pękalski, J.Szwabiński, I. Bena, M.Droz
Phys. Rev. E 77, 031917, 2008.
How bad is to be slow-reacting?,
I. Bena Coppex, M. Droz, J. Szwabiński, A. Pękalski
Eur. Phys. J. B 65, 341-346, 2008.
Model for pattern formation of charged particles,
K. Pawlikowski, A. Pękalski
Phys. Rev. B 77, 174202, 2008.
Model of opinion forming and voting,
B. Pabjan, A. Pękalski
Physica A 387, 6183-6189, 2008.
Risk of population extinction from periodic and abrupt changes of environment,
A. Pękalski, M. Ausloos
Physica A 387, 2526-2534, 2008.
Complex Population Dynamics as a Competition Between Multiple-Time-Scale Phenomena,,
I. Bena, M. Droz, J. Szwabiński, A. Pękalski,
Phys. Rev. E76, 011908-1-14 (2007) ,
Model of Prison Riots,,
B. Pabjan, A. Pękalski,
Physica A375, 307-316 (2007),
Model of Wealth and Goods Dynamics in a Closed Market,,
M. Ausloos, A. Pękalski,
Physica A373, 560-568 (2007) ,
Role of selective Mating in Population Splitting,,
A. Pękalski,
Int. J. Mod. Phys.C, vol. 18. no.19. 1397-1405 (2007) ,
Simple Model of Mating Preference anf Extinction Risk,,
A. Pękalski,
Int. Journ. Mod. Phys.C, vol. 18. no.10. 1619-1625 (2007) ,
Competition and predation in a three species model,,
J. Szwabiński, A. Pękalski, K. Trojan,
Int. J. Mod. Phys. C 17, 1629-1645, 2006,
Effects of Random Habitat Destruction in a Predator-Prey Model,,
J. Szwabiński, A. Pękalski,
Physica A 360, 59-70 (2006),
Monte Carlo Simulations of the Inside Intron Recombination,,
S. Cebrat, A. Pękalski, F. Scharf,
Int. J. Mod. Phys. C17, 305-314 (2006),
Population Dynamics in Heterogeneous Conditions,,
M. Droz, A. Pękalski,
Physica A362, 504-512 (2006),
Self-Organized Packs Selection in Predator-Prey Ecosystems,,
A. Pękalski, M. Droz,
Phys. Rev. E73, 021913-1-7 (2006),
A (reactive) Lattice-Gas Approach to Economic Cycles,,
M. Ausloos, P. Clippe, J. Miśkiewicz, A. Pękalski,
Physica A 344, 1–7 (2004),
A Short Guide to Predator-Prey Lattice Models,,
A. Pękalski,
Computing in Science and Engineering (CiSE), 6, No 1, 62–66 (2004),
A Short Guide to Predator-Prey Lattice Models,,
A. Pękalski,
Computing in Science and Engineering (CiSE), 6, No 1, 62–66 (2004),
Evolution of Economic Entities under Heterogeneous Political/Environmental Conditions within a Bak-Sneppen-like Dynamics,,
M. Ausloos, P. Clippe, A. Pękalski,
Physica A332, 394–402 (2004),
Model of Macroeconomic Evolution in Stable Regionally Dependent Economic Fields,,
M. Ausloos, P. Clippe, A. Pękalski,
Physica A337, 269–287 (2004),
Population Dynamics with or without Evolution: a Physicist’s Approach,,
M. Droz, A. Pękalski,
Physica A336, 84–92 (2004), “Statistical Physics outside Pure Physics”, Proceedings 18 Max Born Symposium, 2003, Eds. K. Sznajd-Weron,,
Populations in a Periodically Changing Habitat. Comparison of Two Extended Models,,
K. Pawlikowski, A. Pękalski,
Physica A342 597–611 (2004),
Role of Evolution by Natural Selection in Population Dynamics,,
M. Droz, A. Pękalski,
Phys. Rev. E69, 051912-1–6 (2004),
The Role of Dominant Mutations in the Population Expansion,,
S. Cebrat, A. Pękalski,
Proc. Computational Science - ICCS 2004, Int. Conf. Krakow 2004, Eds. M. Bubak et al., Lecture Notes in Computer Science, 3039, 765–770 (2004),
A Simple Model of Colonization,,
A. Pękalski,
Physica A318, 447–452 (2003),
Dynamics of a Predator-Prey Model in a Habitat with Cover,,
K. Trojan, A. Pękalski,
Physica A330, 130–138 (2003),
Dynamics of a Predator-Prey Model in a Habitat with Cover,,
K. Trojan, A. Pękalski,
Physica A330, 130–138 (2003),
Microreview of Some Non-Solid State Two-Dimensional Models,,
A. Pękalski,
Progress in Surface Science 74 , 415–421 (2003),
Simple Model for the Dynamics of Correlations in the Evolution of Economic Entities under Varying Economic Conditions,,
M. Ausloos, P. Clippe, A. Pękalski,
Physica A324, 330–337 (2003),
Disorder–Induced Genetic Divergence: A Monte Carlo Study,,
M. Schulz, A. Pękalski,
Phys. Rev. E66, 041907-1-9 (2002),
Dynamics of Populations in a Changing Environment,,
M. Droz, A. Pękalski,
Phys. Rev. E65, 051911-1-6 (2002),
Dynamics of Populations in Extended Systems,,
M. Droz, A. Pękalski,
Proc. 5th Int. Conf. on Cellular Automata for Research and Industry, ACRI 2002, Geneva Oct. 2002, 190–201 LNCS 2493 Springer (2002),
Evolution of Population in Changing Conditions,,
A. Pękalski,
Physica A314, 114–119 (2002),
Amphiphile–Rich Phase in a Model Ternary Solution on Honeycomb Lattice,,
D.A. Huckaby, A. Pękalski, B. Buzatu, F.D. Buzatu,
J. Chem. Phys. 115, 6775–9 (2001),
Coexistence in a Predator–Prey System,,
M. Droz, A. Pękalski,
Phys. Rev. E63, 051909-1–051909-6 (2001),
Different Strategies of Evolution in a Predator-Prey System,,
M. Droz, A. Pękalski,
Physica A298, 545–552 (2001),
Formation of Liesegang Patterns: Simulations Using a Kinetic Ising Model,,
T. Antal, M. Droz, J. Magnin, A. Pękalski, Z. Rącz,
J. Chem. Phys. 114, 3770–3775 (2001),
Ising Model on a Small Word Network,,
A. Pękalski,
Phys. Rev. E64, 057104-1–057104-4 (2001),
Model of Population Migration in a Changing Habitat,,
K. Sznajd-Weron, A. Pękalski,
Physica A294, 424–430 (2001),
Model of Population Migration in a Changing Habitat,,
K. Sznajd–Weron, A. Pękalski,
Physica A294, 424–430 (2001),
Percolation and Jamming in Random Bond Deposition,,
G. Kondrat, A. Pękalski,
Phys. Rev. E64, 056118-1–056118-4 (2001),
Percolation and Jamming in Random Bond Deposition,,
G. Kondrat, A. Pękalski,
Phys. Rev. E 64, 056118-1–056118-4 (2001),
Percolation and Jamming in Random Sequential Adsorption of Linear Segments on a Square Lattice,,
G. Kondrat, A. Pękalski,
Phys. Rev. E 63, 051108-1–051108-5 (2001) ,
Percolation and Jamming in Random Sequential Adsorption of Linear Segments on a Square Lattice,,
G. Kondrat, A. Pękalski,
Phys. Rev. E63, 051108-1–051108-5 (2001),
Population Dynamics with and without Selection,,
A. Pękalski, K. Sznajd-Weron,
Phys. Rev. E63, 031903-1–031903-7 (2001),
Population Dynamics with and without Selection,,
A. Pękalski, K. Sznajd–Weron,
Phys. Rev. E63, 031903-1–031903-7 (2001),
Effect of Eugenics on the Evolution of Populations,,
A. Pękalski,
Eur. Phys. J. B17, 329–332 (2000),
Genetic Manipulation and the Population‘s Fate,,
K. Lichota, A. Pękalski, J. Radomski,
Internat. J. Modern Phys. C11, 1371–1383 (2000),
Model of Evolution with Sexual and Non–Sexual Reproduction,,
A. Pękalski,
Eur. Phys. J. B13, 791–796 (2000),
Evolution of Populations in a Changing Environment,,
K. Sznajd-Weron, A. Pękalski,
Physica A269, 527–535 (1999),
Evolution of Populations in a Changing Environment,,
K. Sznajd–Weron, A. Pękalski,
Physica A269, 527–535 (1999),
Model of Population Evolution with and without Eugenics,,
S. Cebrat, A. Pękalski,
Eur. Phys. J. B11, 687–690 (1999),
Model of Populations Colonizing a New Habitat,,
I. Mróz, A. Pękalski,
Eur. Phys. J. B10, 181–186 (1999),
Monte-Carlo Analysis of Tracer Diffusion Mechanisms in YBa2 Cu3 O6+c ,,
K. Skwarek, A. Pękalski, M. Ausloos,
Eur. Phys. J. B11, 369–375 (1999),
Mutations and Changes of the Environment in a Model of Biological Evolution,,
A. Pękalski,
Physica A265, 255–263 (1999),
Statistical Physics Model of an Evolving Population,,
K. Sznajd-Weron, A. Pękalski,
Physica A274, 91–98 (1999),
Statistical Physics Model of an Evolving Population,,
K. Sznajd–Weron, A. Pękalski,
Physica A274, 91–98 (1999),
A Model of Population Dynamics,,
A. Pękalski,
Physica A252, 325–335 (1998),
Changes of a Continuous Character Caused by Gene Flow. A Monte Carlo Study,,
K. Sznajd-Weron, A. Pękalski,
Physica A259, 457–465 (1998),
Changes of a Continuous Character Caused by Gene Flow. A Monte Carlo Study,,
K. Sznajd–Weron, A. Pękalski,
Physica A259, 457–465 (1998),
Dynamics of Two Populations with Different Birth Rates,,
J. Hoffmann, A. Pękalski,
Internat. J. Modern Phys. C9, 633–641 (1998),
Evolution under Stabilizing Selection Through Gene Flow,,
K. Sznajd-Weron, A. Pękalski,
Physica A252, 336–344 (1998),
Evolution under Stabilizing Selection Through Gene Flow,,
K. Sznajd–Weron, A. Pękalski,
Physica A252, 336–344 (1998),
Lattice Gas Model of Gradual Evolution,,
M. Ausloos, I. Mróz, A. Pękalski, N. Vandewalle,
Physica A248, 155–164 (1998),
Model of an Evolving Population Colonizing a New Environment,,
I. Mróz, A. Pękalski,
Krajowa Konferencja Zastosowań Matematyki w Biologii i Medycynie 1998, Materiały Zwierzyniec 104–107 (1998),
Three Species Lotka–Volterra Model,,
A. Pękalski, D. Stauffer,
Internat. J. Modern Phys. C9, 777–784 (1998),
...,,
A. Pękalski,
Wspomnienia o Profesorze Janie Rzewuskim (1916–1994) Wypowiedzi Uczestnikow Specjalnego Posiedzenia Rady Wydziału Matematyki i Fizyki Uniwersytetu Wrocławskiego 18 czerwca 1996 roku, 9–10, ISBN 83906673-0-4, Wydzial Mat. i Fiz. Uniw. Wrocł. (1996),
Conditions for Adaptation of an Evolving Population,,
I. Mróz, A. Pękalski, K. Sznajd-Weron,
Phys. Rev. Lett. 76, 3025–3028 (1996),
Monte Carlo Investigation of the Role of Initial Conditions on Oxygen Diffusion in Planar Y Ba2 Cu3 O6+c ,,
A. Pękalski, K. Skwarek,
Physical Rev. 54B, 4315–4319 (1996),
Tracer diffusion of particles with soft–Core interactions studied by Monte Carlo simulations,,
G. Czarnecki, M.R. Dudek, A. Pękalski, J. Cisło,
J. Phys. A: Math. Gen. 29, 3367–3374 (1996),
Wspomnienia o Profesorze Janie Rzewuskim (1916–1994),,
A. Borowiec, J. Łopuszański, A. Pękalski,
Postępy Fizyki, Tom 47, 65–71 (1996) e,
Wspomnienia o Profesorze Janie Rzewuskim (1916–1994),,
A. Borowiec, J. Łopuszański, A. Pękalski,
Postępy Fizyki, Tom 47, 65–71 (1996),
Model of Oxygen Diffusion in Y Ba2 Cu3 O6+x with Next–Nearest–Neighbor Hopping: A Monte Carlo Study,,
M. Ausloos, A. Pękalski,
Phys. Rev. B52, 4577–4582 (1995) ,
Surface Tracer Diffusion in the Presence of a Solid Barrier: a Monte Carlo Study,,
A. Pękalski, M. Ausloos,
Surface Science 344, L1271–L1274 (1995),
Monte Carlo Investigation of Surface Self–Diffusion: The Role of Anisotropic NNN Interactions,,
A. Pękalski, M. Ausloos,
J. Chem. Phys. 100, 3175–80 (1994),
Monte Carlo Simulation of Oxygen Diffusion in planar Model of 123 YBCO. Low–Temperature Regime and Effect of Trapping Barrier,,
A. Pękalski, M. Ausloos,
Physica C226, 188–198 (1994),
Oxygen Diffusion in "YBCO--type Compounds,,
M. Ausloos, A. Pękalski,
Lecture Notes in Phys. 438, 224–235 (1994), “Diffusion Processes: Experiment, Theory, Simulations”, Proceedings V Max Born Symposium, 1994, Eds. A. Pękalski, , Springer Verlag,
Permeability of Thin Random Media,,
A. Pękalski,
Physica A 196, 21–32(1993) Preprint Wrocław University IFT UWr/ 923/93, pp. (1993),
Relaxation in the Diluted XY Model,,
A. Pękalski,
J. Phys. A: Math. Gen. 24, 1253–1259 (1991),
Cellular Automata Approach to Relaxation in the Lorentz Gas,,
Cz. Oleksy, A. Pękalski,
Physica A164, 105–116 (1990) Preprint Wrocław University IFT UWr/ 89/718 (1989),
Cellular Automata Approach to Relaxation in the Lorentz Gas,,
Cz. Oleksy, A. Pękalski,
Physica A164, 105–116 (1990) Preprint Wrocław University IFT UWr/ 89/718 (1989),
Transfer Matrix Methods in the Blume-Emery-Griffiths Model,,
Z. Koza, Cz. Jasiukiewicz, A. Pękalski,
Physica A 164, 191–206 (1990),
Transfer Matrix Methods in the Blume-Emery-Griffiths Model,,
Z. Koza, Cz. Jasiukiewicz, A. Pękalski,
Physica A 164, 191–206 (1990),
Phase Diagrams of two Inhomogeneous Ising Models on the Triangular Lattice,,
A. Pękalski,
J. Phys. A: Math. Gen. 22, 105–116 (1989),
Phase Diagrams for a Model of a Lipid Monolayer,,
A. Pękalski,
Eur. Biophys. Journ. 16, 39–44 (1988),
Mixed Dynamics for a Magnetic Lattice Gas,,
M. Droz, A. Malaspinas, A. Pękalski,
Preprint University of Geneva, UGVA-DPT 1987/06-540,
Simple Microscopic Model for Sodium Channels Activation,,
A. Pękalski, M. Bartoszkiewicz, Z. Galdzicki,
Preprint Wrocław University, Institute of Theoretical Physcis IFT UWr/ 678(1987),
A Magnetic Lattice Gas of Composite Particle in a Transverse Fields.,,
M. Dudek, A. Pękalski,
Physica A137, 464 - 476 (1986),
Renormalization Group Theory for a Mixture of Diluted XY and Ising Models„ Theory of Condensed Matter,,
A. Komoda, A. Pękalski, J. Sznajd,
Preprint ITP Wroclaw University, No 656, 69 74 (1986),
Role of Mixed Couplings in a Phase Diagram of a Mixture of Easy Axis and Easy Plane Antiferromagnets,,
A. Komoda, A. Pękalski,
Progress of Theoretical Physics Supplement No 87, 176 - 179 (1986) ,
The Phase Diagram of a Simple Model with Randomness,,
A. Pękalski, S.J. Knak Jensen, J. Sznajd,
J. Phys. C. Solid State Phys. 19, 2995 - 3004 (1986),
Editors of “Spontaneous Symmetry Breakdown and Related Topics”,,
L. Michel, J. Mozrzymas, A. Pękalski,
XXI Karpacz Winter School of Theoretical Physics, 1985 (1985) World Scientific Publ., Singapore,,
Magnetisation for a System of Ising and Heisenberg-Like Spins,,
A. Komoda, A. Pękalski,
J.Phys.C: Solid State Phys. 18,3521-3531(1985),
Mean-Field Like Renormalization Group Study of Random Two-Component Magnetic Systems,,
M. Droz, A. Pękalski,
Phys. Lett. 107A, 89-92 (1985),
Heisenberg-Ising Magnets,,
A. Pękalski,
Lecture Notes in Phys. 206, 158–165 (1984), Static Critical Phenomena, Springer Verlag,
Lattice Gas Model for Monolayer of Amphipatic Molecules,,
A. Pękalski,
Physica 129A, 225–231 (1984),
Magnetic Lattice Gas of Molecules with Internal Structure.,,
M. Dudek, A. Pękalski,
Physica 126A, 504–519(1984),
Thermodynamic Functions for Finite-Spin Ising Chains.,,
M. Dudek, A. Pękalski,
Preprint ITP Wroclaw University No 605(1984),
Critical Properties of Site-Diluted Heisenbergg and Ising Magnets„ J.Phys.C. Solid State Phys. 16,,
A. Komoda, A. Pękalski,
3167-3174(1983),
One-Dimensional Random Magnetic Lattice Gas,,
A. Pękalski, M. Ausloos, P. Clippe, J.M. Kowalski, J. Pekalska,
J. Magnetism and Magnetic Materials, 38, (1983),
Simple Model of a Disordered Magnetic Lattice Gas,,
A. Pękalski, M. Ausloos, P. Clippe, J.M. Kowalski, J. Pekalska,
Phys. Rev. A28, 3080–3084 (1983),
Multicritical Points in a System with Random Single-Ion Anisotropy,,
A. Pękalski, J. Sznajd,
J. Magnetism and Magnetic Materials, 27, 298–302 (1982) ,
Phase Transitions in Lattice Gases of Orientable Molecules,,
A. Pękalski, D.A. Huckaby, A.M. Dougherty,
Physical Rev. A26, 3528–3553 (1982),
Critical Temperatures for Models with Random Distribution of Ising and Heisenberglike Spins,,
A. Pękalski, A. Komoda,
J. Phys. C. Solid State Phys. 14, L1067–L1072 (1981),
Critical Temperatures for Models with Random Distribution of Ising and HeisenbergLike Spins„ J.Phys.C: Solid State Phys. 14,,
A. Komoda, A. Pękalski,
L1067-L1072(1981),
Effective Hamiltonian Method for S=1 Ising Ferromagnet,,
A. Komoda, A. Pękalski,
Solid State Commun. 38, 219-220(1981),
Magnon Density in Bond Disordered Anisotropic Heisenberg System,,
A. Pękalski, M. Ausloos, J.M. Kowalski, J.C. Van Hay,
Physica, 107B, 79–80 (1981),
Approximate Equivalence of Quenched and Annealed Random Systems in the Effective Hamiltonian Approximation,,
A. Pękalski, M. Ausloos,
J. Phys. A: Math. Gen. 13, 2537–2540 (1980),
Critical Temperature for Ising Systems with Regularly Arranged Impurities,,
A. Pękalski,
J. Phys. A: Math. Gen. 13, L51 (1980),
Critical Temperature of Inhomogeneous Mixtures of Ising and Heisenberg Substances,,
A. Pękalski, M. Ausloos,
Physica 101A, 507–517 (1980),
Magnetic Lattice Gas,,
A. Pękalski, M. Ausloos, P. Clippe, J.M. Kowalski,
Phys. Rev. A22, 2218–2229 (1980),
Phase Diagrams of Model Magnetoﬂuids,,
A. Pękalski, P. Clippe, J.M. Kowalski,
IEEE Transactions on Magnetics, MAG-16, (1980),
Remark on the Application of the Effective Hamiltonian Method for Random Systems,,
A. Pękalski, Z. Mrozinska,
Solid State Commun. 33, 789–791 (1980),
Critical Temperature of Mixed Ferro-and Anti-Ferromegnetic Ising Systems with Arbitrary Spin,,
A. Pękalski, J. Jakubczyk, Z. Mrozinska,
J. Phys. Solid State Phys. C12, 2341–2349 (1979),
Physical Properties of a Spin Model Described by an Effective Hamiltonian with two Kinds of Random Magnetic Bonds,,
A. Pękalski, M. Ausloos,
Solid State Commun. 26, 977–980 (1978) ,
Some Critical Properties of a Three-Dimensional System of Randomly Mixed Heisenberg and Ising Bonds,,
A. Pękalski,
Acta Phys. Polon. A54, 23 (1978),
Critical Properties of Two-Dimensional Systems with Randomly Mixes Ising and Heisenberg Bonds,,
A. Pękalski,
J. Phys. C10, 4785 (1977),
Kriticeskie Swojstwa Dwumiernych Sistem so Slucajnym Raspredeleniem Swjazej,,
A. Pękalski,
Simpozium po Fazowym Perechodam i Kriticeskim Jawlenijam Nowosibirsk 1977, 87–88 (1977),
Systems with Randomly Mixed Heisenberg and Ising Bonds,,
A. Pękalski,
Acta Phys. Polon. A51, 789–793 (1976),
One-Dimensional Ising Model with Random Bonds,,
A. Pękalski, J.M. Kowalski,
J.Phys. C: Solid State Phys. 8, 2085–2090 (1975),
Random Mixtures in Annealed and Quenched Ising Bond-Model,,
A. Pękalski, T. Oguchi,
Progr. Theor. Phys. 54, 1021–1027 (1975),
The Field–Dependent Magnetic Phases of a Uniaxial Two–Sublattice Entiferromagnet of Neel Type. I Energy Spectra, Ground States and Critical Fields,,
A. Pękalski, W.J. Zietek,
Acta Phys. Polon. A39, 327–341 (1971),
The Field–Dependent Magnetic Phases of a Uniaxial Two–Sublattice... II Magnetization, Magnetic Susceptibilities and Phase Transitions,,
A. Pękalski,
Acta Phys. Polon. A40, 189–203 (1971),
On the Formula for the Average Dipole Moment in the Theory of Order-disorder Ferroelectrics,,
A. Pękalski, J.M. Kowalski,
Phys. Stat. Sol. 34, K33–K35 (1969),
On the Linear Approximation in Dyson‘s Generalized Spin Wave Formalism,,
A. Pękalski,
Acta Phys. Polon. 31, 487–500 (1967),
On the Spin Wave Theory of Anisotropic Heisenberg Ferromagnets,,
A. Pękalski, W.J. Zietek,
Acta Phys. Polon. 31, 131–142 (1967),
On the Mapping of Spin Hamiltonians,,
A. Pękalski, W.J. Zietek,
Acta Phys. Polon. 30, 839–849 (1966),