B. H. TOSHTEMIROV. QO’SH TARTIBLI HILFER DIFFERENSIAL OPERATOR QATNASHGAN YUQORI TARTIBLI TENGLAMA UCHUN KOSHI MASALASI. Kokand University Research Base, [S. l.], p. 409–412, 2024. Disponível em: https://scholar.kokanduni.uz/index.php/rb/article/view/356. Acesso em: 4 jul. 2024.