MITROPAM CHAKRABORTY; S. K. SAMANTA. A Fixed Point Theorem for Kannan-type Maps in Metric Spaces. International Journal of Mathematics And its Applications, [S. l.], v. 6, n. 4, p. 157–161, 2018. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/338. Acesso em: 6 may. 2024.