Safarboyeva Maftuna Aminboy qizi. “KASR TARTIBLI DIFFERENSIAL TENGLAMALARDA KOSHI MASALASI: BANAX FIKS NUQTA TEOREMASI ORQALI MAVJUDLIK VA YAGONALIK SHARTLARI”. JOURNAL OF NEW CENTURY INNOVATIONS 93, no. 1 (January 21, 2026): 195–198. Accessed March 7, 2026. http://journalss.org/index.php/new/article/view/15948.