IMANBAYEVA, A. Содержание 4 (35) 2010. Recent Contributions to Physics, [S. l.], v. 35, n. 4, p. 101, 2011. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/1010. Acesso em: 16 июл. 2025.