Turlybekova, G.K. and Kusainov, S.G. (2008) “MATHEMATICAL MODEL OF FILING MEDIUMS AS FUNCTION OF A REFRACTIVITY”, Recent Contributions to Physics, 2008(1), pp. 158–169. Available at: https://bph.kaznu.kz/index.php/zhuzhu/article/view/309 (Accessed: 19 July 2026).