RAJOPADHYAYA, U.; JHA, K. Common Fixed Point Theorems Using Compatible Mappings of Type (R) in Semi-metric Space. Mathematics Education Forum Chitwan, [S. l.], v. 5, n. 5, p. 40–44, 2020. DOI: 10.3126/mefc.v5i5.34762. Disponível em: https://nepjol.info/index.php/mefc/article/view/34762. Acesso em: 28 may. 2022.