SHARMA, Sushil; TILWANKAR, Prashant. Related fixed point theorem for six mappings on three modified intuitionistic fuzzy metric spaces. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 29, p. 351–364, 2012. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6036. Acesso em: 18 jul. 2026.