On the extension of Newton’s second law to theories of gravitation in curved space-time. Archives of Mechanics - Test, [S. l.], v. 48, n. 3, p. 551–576, 1996. Disponível em: https://am3.ippt.pan.pl/index.php/am/article/view/v48p551. Acesso em: 28 jun. 2025.