OVSIYUK, E. M.; VEKO, O. V. On Behavior of Quantum Particles in an Electric Field in Spaces of Constant Curvature, Hyperbolic and Spherical Models. Ukrainian Journal of Physics, [S. l.], v. 58, n. 11, p. 1065, 2018. DOI: 10.15407/ujpe58.11.1065. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018386. Acesso em: 27 oct. 2020.