Haydarov , A., & Rustamov , S. A. o‘g‘li. (2023). ELLIPTIK TURDAGI TENGLAMALAR UCHUN MANBA’NI ANIQLASH TESKARI MASALASI YECHIMINING YAGONALIGI VA TURG‘UNLIGI. GOLDEN BRAIN, 1(13), 250–255. Retrieved from https://researchedu.org/index.php/goldenbrain/article/view/3498