KIM, I.-S.; VÄTH, M. Some results on the extension of single and multivalued maps. Topological Methods in Nonlinear Analysis, [S. l.], v. 28, n. 1, p. 133–153, 2006. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2006.024. Acesso em: 22 lip. 2024.