Valijonova, Shaxzoda. “N-TARTIBLI CHIZIQLI O‘ZGARMAS KOEFFITSIYENTLI BIR JINSLI BO‘LMAGAN DIFFERENSIAL TENGLAMALARNI ANIQMAS KOEFFITSIYENTLAR USULIDA YECHISH”. YANGI DAVR ILM-FANI: INSON UCHUN INNOVATSION G‘OYA VA YECHIMLAR 2, no. 8 (April 29, 2026): 6–9. Accessed June 1, 2026. https://konferensiyalar.com/index.php/yd/article/view/399.