PHANEENDRA, T.; SUREKHA, D. A GENERALIZED COMMON FIXED POINT THEOREM FOR SIX SELF-MAPS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 36, p. 55–64, 2016. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6655. Acesso em: 5 sep. 2026.