DR. PIYUSH KUMAR TRIPATHI; A. KUMAR. Coincidence and Common Fixed Point Theorem in Cone Metric Spaces. Global Journal of Science Frontier Research, [S. l.], v. 12, n. F5, p. 19–23, 2012. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/624. Acesso em: 4 may. 2024.