KRYACHKO, E. S.; REMETA, E. Y. Density Functional Theory in Atomic Physics. Ukrainian Journal of Physics, [S. l.], v. 9, n. 1, p. 38, 2019. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019665. Acesso em: 8 oct. 2022.