Гребенюк, М. Ф. “SPACES OF ATHENSIC CONNECTION ON THE TANGENTIALLY DEGENIED SURFACE OF A REGULAR HYPERPOLOS OF NON-Euclidean SPACE”. Proceedings of National Aviation University 14, no. 3 (March 15, 2021): 227–231. Accessed May 3, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/15239.