Safarboyeva Maftuna Aminboy qizi. KASR TARTIBLI DIFFERENSIAL TENGLAMALARDA KOSHI MASALASI: BANAX FIKS NUQTA TEOREMASI ORQALI MAVJUDLIK VA YAGONALIK SHARTLARI. journal. 2026;93(1):195-198. Accessed March 7, 2026. http://journalss.org/index.php/new/article/view/15948