BERTRAM, A.; FOREST, S. Mechanics Based on an Objective Power Functional. Technische Mechanik - European Journal of Engineering Mechanics, [S. l.], v. 27, n. 1, p. 1–17, 2019. Disponível em: https://journals.ub.ovgu.de/index.php/techmech/article/view/857. Acesso em: 8 may. 2024.