“CHEGARADA BUZILADIGAN YUQORI TARTIBLI DIFFERENSIAL TENGLAMALAR UCHUN CHEGARAVIY MASALA”, journal, vol. 87, no. 1, pp. 19–24, Dec. 2025, Accessed: Jan. 14, 2026. [Online]. Available: https://journalss.org/index.php/ust/article/view/13640