POTAPENKO, I. V. Relationship between normalized tensors of two regular networks on the surfaces in the Euclidean space $E_3$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 68, n. 2, p. 271–277, 2016. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1839. Acesso em: 14 apr. 2025.