FENILLE, M. C. Convenient maps from one-relator model two-complexes into the real projective plane. Topological Methods in Nonlinear Analysis, [S. l.], v. 52, n. 2, p. 613–629, 2018. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2018.024. Acesso em: 22 jul. 2024.