RUBINSZTEIN, R. L. Equivariantly parallelizable manifolds. MATHEMATICA SCANDINAVICA, [S. l.], v. 62, p. 217–245, 1988. DOI: 10.7146/math.scand.a-12215. Disponível em: https://www.mscand.dk/article/view/12215. Acesso em: 23 nov. 2024.