GER, Roman. Annual lectures dedicated to the memory of Professor Andrzej Lasota. Annales Mathematicae Silesianae, [S. l.], v. 23, p. 7–8, 2009. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/14038. Acesso em: 8 apr. 2026.