ABDRAYIM, B. Opening address by the retor of L.N. Gumilyov Eurasian National University. Eurasian Mathematical Journal, [S. l.], v. 1, n. 1, 2024. Disponível em: https://emj.enu.kz/index.php/main/article/view/19. Acesso em: 19 nov. 2024.