1.
Boboqulova Durdona Sanjar qizi. CYLINDRICAL AND CONICAL SURFACES: SECOND-ORDER SURFACES AND THEIR TYPES. oigt [Internet]. 2025 Nov. 1 [cited 2026 Apr. 5];1(3):226-8. Available from: https://www.globalscholars.uz/index.php/oigt/article/view/1589