SKAKAUSKAS, V. Some exact solutions of the Boltzmann equation. Lithuanian Mathematical Journal, [S. l.], v. 12, n. 1, p. 217–220, 1972. DOI: 10.15388/LMJ.1972.21096. Disponível em: https://www.journals.vu.lt/LMJ/article/view/21096.. Acesso em: 7 may. 2024.