Haydarov , Akram, and Shaxzod Abdullo o‘g‘li Rustamov. “ELLIPTIK TURDAGI TENGLAMALAR UCHUN MANBA’NI ANIQLASH TESKARI MASALASI YECHIMINING YAGONALIGI VA TURG‘UNLIGI”. GOLDEN BRAIN 1, no. 13 (May 17, 2023): 250–255. Accessed September 19, 2024. https://researchedu.org/index.php/goldenbrain/article/view/3498.