SENGUPTA, R. On Fixed Points of Contraction Maps Acting in \((q_1, q_2)\)-Quasimetric Spaces and Geometric Properties of These Spaces. Eurasian Mathematical Journal, [S. l.], v. 8, n. 3, p. 70–76, 2017. Disponível em: https://emj.enu.kz/index.php/main/article/view/672. Acesso em: 18 sep. 2025.