SLAWIANOWSKI, J. J. Group Theoretic Approach to Internal and Collective Degrees of Freedom in Mechanics and Field Theory. Technische Mechanik - European Journal of Engineering Mechanics, [S. l.], v. 22, n. 1, p. 8–13, 2019. Disponível em: https://journals.ub.ovgu.de/index.php/techmech/article/view/1001. Acesso em: 4 may. 2024.