SAFARBOYEVA MAFTUNA AMINBOY QIZI. KASR TARTIBLI DIFFERENSIAL TENGLAMALARDA KOSHI MASALASI: BANAX FIKS NUQTA TEOREMASI ORQALI MAVJUDLIK VA YAGONALIK SHARTLARI. JOURNAL OF NEW CENTURY INNOVATIONS, [S. l.], v. 93, n. 1, p. 195–198, 2026. Disponível em: http://journalss.org/index.php/new/article/view/15948. Acesso em: 7 mar. 2026.