BARCZ, E. Fixed point theorems of generalized contractions and their applications. Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia, [S. l.], v. 14, p. 1–11, 2022. DOI: 10.24917/20809751.14.1. Disponível em: https://didacticammath.uken.krakow.pl/article/view/10111. Acesso em: 11 may. 2024.