Кангужин, Б. Е. and Нальжупбаева, Г. М. (2013) “ On properties of the Sturm – Liouville operator with a singular potential”., Journal of Mathematics, Mechanics and Computer Science, 78(3), pp. 61–69. Available at: https://bm.kaznu.kz/index.php/kaznu/article/view/107 (Accessed: 22 December 2024).