BERZIG, Maher; RUS, Mircea-Dan. Fixed point theorems for alpha-contractive mappings of Meir–Keeler type and applications. Nonlinear Analysis: Modelling and Control, [S. l.], v. 19, n. 2, p. 178–198, 2014. DOI: 10.15388/NA.2014.2.3. Disponível em: https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/13680. Acesso em: 6 jul. 2025.