IMANBAYEVA, A. Содержание 3 (34) 2010. Recent Contributions to Physics, [S. l.], v. 2018, n. 3, p. 126, 2018. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/1029. Acesso em: 15 дек. 2025.