PŁOCKI, A. Report of Meeting - 9th Polish-Czech Mathematical School, Osieczany, June 6-8, 2002. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 3, p. 305–308, 2003. Disponível em: https://studmath.uken.krakow.pl/article/view/13505. Acesso em: 30 oct. 2026.