Muminov Safar Jòraqul ògli, Tuxtavulov Boboqul Tufli ògli, and Yomg'irov Ihlosbek Aliboy ògli. “MATEMATIKADA ZAMONAVIY YONDASHUV”. Journal of New Century Innovations, vol. 12, no. 6, Jan. 2023, pp. 42-45, https://newjournal.org/new/article/view/2385.