LAMPIS, M.; PETRINA, D. Y. The Boltzmann--Grad limit for equilibrium states of systems of hard spheres in framework of canonical ensemble. Математическая физика, анализ, геометрия, Харків, Україна, v. 4, n. 1-2, p. 112–132, 1997. Disponível em: http://mag.ilt.kharkiv.ua/index.php/mag/article/view/m04-0112e. Acesso em: 13 трав. 2024.