SINGH, M. P.; YUMNAM, R. Common Fixed Points of Compatible Mappings. Journal of Scientific Research, [S. l.], v. 4, n. 3, p. 603–608, 2012. DOI: 10.3329/jsr.v4i3.10567. Disponível em: https://banglajol.info/index.php/JSR/article/view/10567. Acesso em: 27 apr. 2024.