Muzaffarova Mohinur (2023) “CHIZIQLI ODDIY DIFFERENSIAL TENGLAMALARNI YECHISH USULLARI HAQIDA”, Yosh Tadqiqotchi Jurnali, 2(5), pp. 3–11. Available at: https://2ndsun.uz/index.php/yt/article/view/600 (Accessed: 16 September 2024).