PETRUŞEL, Adrian; RUS, Ioan A.; ŞERBAN, Marcel-Adrain. The role of equivalent metrics in fixed point theory. Topological Methods in Nonlinear Analysis, [S. l.], v. 41, n. 1, p. 85–112, 2013. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2013.004. Acesso em: 3 jul. 2025.