Qarshiboyev Xayrulla Qilichevich, Ziyodova Rayhona Jasurovna, and To’ychiboyev Jo’rabek Tolibjonvich. “DEFINITE INTEGRAL”. TECHNICAL SCIENCE RESEARCH IN UZBEKISTAN, vol. 2, no. 4, Apr. 2024, pp. 28-33, https://universalpublishings.com/index.php/tsru/article/view/5074.