Potapenko, I. V. (2015) “Leiko Network on the Surfaces in the Euclidean Space $E_3$”, Ukrains’kyi Matematychnyi Zhurnal, 67(6), pp. 820–828. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2024 (Accessed: 23April2024).