ARMINJON, M. On the extension of Newton’s second law to theories of gravitation in curved space-time. Archives of Mechanics, Warsaw, Poland, v. 48, n. 3, p. 551–576, 1996. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v48p551. Acesso em: 17 jan. 2026.