KARPILOWSKY, G. The number of representations of a group induced from the irreducible representations of a normal subgroup. MATHEMATICA SCANDINAVICA, [S. l.], v. 42, p. 5–8, 1978. DOI: 10.7146/math.scand.a-11730. Disponível em: https://www.mscand.dk/article/view/11730. Acesso em: 5 may. 2024.