SINGH, M.; SINGH, L. S. Fixed point theorem for a pair of self maps satisfying a general contractive condition of integral type. Kathmandu University Journal of Science, Engineering and Technology, [S. l.], v. 6, n. 2, p. 20–27, 2010. DOI: 10.3126/kuset.v6i2.4008. Disponível em: https://nepjol.info/index.php/KUSET/article/view/4008. Acesso em: 3 jul. 2024.