MYRHEIM, J. A theorem on restricted group representations. MATHEMATICA SCANDINAVICA, [S. l.], v. 37, p. 193–196, 1975. DOI: 10.7146/math.scand.a-11601. Disponível em: https://www.mscand.dk/article/view/11601. Acesso em: 4 may. 2024.