Халилов К. SINGULYAR KOEFFITSIYENTLI PARABOLO-GIPERBOLIK TENGLAMA UCHUN INTEGRAL SHART VA BITSADZE-SAMARSKIY SHARTI QATNASHGAN MASALALAR. SJFSU [Internet]. 2023 Jul. 11 [cited 2025 Apr. 17];28(2):43. Available from: https://journal.fdu.uz/index.php/sjfsu/article/view/1940