TURLYBEKOVA, G.; KUSAINOV, S. MATHEMATICAL MODEL OF FILING MEDIUMS AS FUNCTION OF A REFRACTIVITY. Recent Contributions to Physics, [S. l.], v. 2008, n. 1, p. 154–164, 2008. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/1475. Acesso em: 11 feb. 2026.