R. KRISHNAKUMAR; T. MANI. Common Fixed Point of Contractive Modulus on Complete Metric Space. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 4 - D, p. 513–520, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1300. Acesso em: 3 jul. 2024.