SENGUPTA, R.; ZHUKOVSKIY, S. Minima of functions on (q1, q2)-quasimetric spaces. Eurasian Mathematical Journal, [S. l.], v. 10, n. 2, p. 84–92, 2019. DOI: 10.32523/2077-9879-2019-10-2-84-92. Disponível em: https://emj.enu.kz/index.php/main/article/view/149. Acesso em: 20 oct. 2026.