LARMORE, L. L.; THOMAS, E. On the fundamental group of a space of sections. MATHEMATICA SCANDINAVICA, [S. l.], v. 47, p. 232–246, 1980. DOI: 10.7146/math.scand.a-11886. Disponível em: https://www.mscand.dk/article/view/11886. Acesso em: 24 nov. 2024.