GORGULA, V. I.; GÜRBÜZ, N. Generalized Elastic Line Deformed on a Nonnull Surface by an External Field in the 3-Dimensional Semi-Euclidean Space $\mathbb{E}_1^3$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 67, n. 3, p. 333–340, 2015. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1986. Acesso em: 5 dec. 2025.