Jonqobilov Jahongir Tirkashevich. BIRINCHI VA IKKINCHI TARTIBLI DIFFERENSIAL TENGLAMALAR YECHISHNING KLASSIK VA ZAMONAVIY USULLARINI BIR BIRIGA BOG’LIQLIGI VA ULARNING YECHIMLARI. obraz. 2024;56(2):101-108. Accessed November 5, 2024. https://scientific-jl.org/index.php/obr/article/view/1370