JOHANSSON, B. G. On Convergence of Spectral Sequences. MATHEMATICA SCANDINAVICA, [S. l.], v. 31, p. 89–102, 1972. DOI: 10.7146/math.scand.a-11415. Disponível em: https://www.mscand.dk/article/view/11415. Acesso em: 3 jul. 2024.