Usmonov, Maxsud Tulqin o‘g’li. “Bir Jinsli Chiziqli Algebraik Tenglamalar Sistemasi”. Science and Education 2, no. 8 (August 26, 2021): 323-331. Accessed October 20, 2021. https://openscience.uz/index.php/sciedu/article/view/1762.