Mirzayev , Fayzulla Saydulla o‘g‘li. “GIPERBOLIK TENGLAMALAR SISTEMASI UCHUN KOSHI MASALASI VA CHEGARAVIY MASALA”. Educational Research in Universal Sciences 2, no. 9 SPECIAL (September 21, 2023): 139–145. Accessed November 22, 2024. http://erus.uz/index.php/er/article/view/3715.