“BIRINCHI TARTIBLI DIFFERENSIAL TENGLAMALAR UCHUN MAXSUS YECHIMLAR NAZARIYASI”. ZAMONAVIY ILM-FAN VA TADQIQOTLAR: MUAMMO VA YECHIMLAR, vol. 3, no. 3, Mar. 2026, pp. 49-52, https://innoworld.net/index.php/ziftmy/article/view/2164.