Axi-symmetric motion of a porous approximate sphere in an approximate spherical container. Archives of Mechanics - Test, [S. l.], v. 65, n. 6, p. 485–509, 2013. Disponível em: https://am3.ippt.pan.pl/index.php/am/article/view/v65p485. Acesso em: 28 jun. 2025.