Muxtorova Nozima Farhodjon qizi, Maxmudova Dilnoza Xayitmirzayevna. “LOBACHEVSKIY GEOMETRIYASI VA UNING ZAMONAVIY MATEMATIKADA QO`LLANISHI”. SAMARALI TA’LIM VA BARQAROR INNOVATSIYALAR JURNALI, vol. 3, no. 4, Apr. 2025, pp. 108-15, https://innovativepublication.uz/index.php/jelsi/article/view/2861.