Erkinov Xusniddin Ikromjon o'gli (2024) “PARABOLIK TIPGA QO’YILGAN CHEGARAVIY MASALANI SONLI YECHISH USULLARI ”, TADQIQOTLAR.UZ, 38(4), pp. 113–116. Available at: https://tadqiqotlar.uz/new/article/view/3253 (Accessed: 20 November 2024).