STOYANOVA, R.; TCHOBANOV, I. Forces in Newtonian dynamics and forces in Eulerian dynamics. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 88, p. 441–458, 1996. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/399. Acesso em: 24 nov. 2024.