DERAFSHPOUR, M.; REZAPOUR, S.; SHAHZAD, N. Best proximity points of cyclic $\varphi$-contractions in ordered metric spaces. Topological Methods in Nonlinear Analysis, [S. l.], v. 37, n. 1, p. 193–202, 2011. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2011.010. Acesso em: 22 jul. 2024.