KOPPINEN, M.; NEUVONEN, T. An imprimitivity theorem for Hopf algebras. MATHEMATICA SCANDINAVICA, [S. l.], v. 41, p. 193–198, 1977. DOI: 10.7146/math.scand.a-11713. Disponível em: https://www.mscand.dk/article/view/11713. Acesso em: 24 nov. 2024.