SIMEONOV, R. PASSIVE MOTIONS OF VECTORS AND REPERS. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 82, n. 2, p. 135–142, 1991. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/540. Acesso em: 22 nov. 2024.