SAPIO, R. D. On $(k-1)$-Connected $(2k+1)$-Manifolds. MATHEMATICA SCANDINAVICA, [S. l.], v. 25, p. 181–189, 1969. DOI: 10.7146/math.scand.a-10955. Disponível em: https://www.mscand.dk/article/view/10955. Acesso em: 24 nov. 2024.