DE BLASI, F. S.; GÓRNIEWICZ, L.; PIANIGIANI, G. Extension theorems and topological essentiality in $\alpha$-weakly convex metric spaces. Topological Methods in Nonlinear Analysis, [S. l.], v. 36, n. 1, p. 141–158, 2009. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2009.034. Acesso em: 17 jul. 2024.