Abdujalilov SM o‘g‘li, Parpiyev SP o‘g‘li. CHEGARAVIY SHARTLI IKKINCHI TARTIBLI DIFFERENSIAL TENGLAMALARNI YECHISHNING GALYORKIN USULI. ERUS [Internet]. 2022 Jun. 30 [cited 2026 Jan. 26];1(1):125-9. Available from: https://erus.uz/index.php/er/article/view/486