WOJNAR, R. Kinetic equation for a gas with attractive forces as a functional equation. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 8, p. 91–116, 2009. Disponível em: https://studmath.uken.krakow.pl/article/view/13262. Acesso em: 31 oct. 2026.