MARUSHKO, I. O. Theorem of Differentiation of the Energy of a Multiatomic System with Respect to Atomic Coordinates (Part I). Ukrainian Journal of Physics, [S. l.], v. 59, n. 7, p. 719, 2018. DOI: 10.15407/ujpe59.07.0719. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018500. Acesso em: 19 apr. 2024.