KUMAR, M.; DEVI, S.; SINGH, P. Fixed Point Theorems by Using Altering Distance Function in S-Metric Spaces. Communications in Mathematics and Applications, [S. l.], v. 13, n. 2, p. 553–573, 2022. DOI: 10.26713/cma.v13i2.1787. Disponível em: https://www.rgnpublications.com/journals/index.php/cma/article/view/1787. Acesso em: 3 may. 2024.