Fakhriddin Urolovich Toshpulatov, Bakhtiyor Karamatovich Mominov, and Ilkhomjon Chorshanbeyvich Mamatkulov. 2020. “Determination of Sections of General Surfaces of the Second Order on Predetermined Circles”. The American Journal of Interdisciplinary Innovations and Research 2 (11):21-26. https://doi.org/10.37547/tajiir/Volume02Issue11-05.