IMANBAYEVA, Akmaral. Содержание 1 (52) 2015. Recent Contributions to Physics, [S. l.], v. 2015, n. 1, p. 1–2, 2015. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/958. Acesso em: 5 июл. 2026.