OVSIYUK, E. M. Spin-Zero Cox’s Particle with Intrinsic Structure: General Analysis in External Electromagnetic and Gravitational Fields. Ukrainian Journal of Physics, [S. l.], v. 60, n. 6, p. 485, 2019. DOI: 10.15407/ujpe60.06.0485. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019218. Acesso em: 27 nov. 2020.