KAZMERCHUK, K. V.; OVSIYUK, E. M. Cox’s Particle in Magnetic and Electric Fields Against the Background of Euclidean and Spherical Geometries. Ukrainian Journal of Physics, [S. l.], v. 60, n. 5, p. 389, 2019. DOI: 10.15407/ujpe60.05.0389. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019229. Acesso em: 21 oct. 2021.