Using Gaussian Basis-Sets with Gaussian Nuclear Charge Distribution to Solve Dirac-Hartree-Fock Equation for 83Bi-Atom. Al-Nahrain Journal of Science, [S. l.], v. 19, n. 3, p. 70–76, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/207.. Acesso em: 3 may. 2024.