BISGAARD, T. M. Correction of an error in the paper "characterization of perfect involution groups". MATHEMATICA SCANDINAVICA, [S. l.], v. 89, n. 1, p. 133–134, 2001. DOI: 10.7146/math.scand.a-14334. Disponível em: https://www.mscand.dk/article/view/14334. Acesso em: 29 apr. 2024.