PEDERSEN, G. K. The Structure Space of a Left Ideal. MATHEMATICA SCANDINAVICA, [S. l.], v. 14, p. 90–92, 1964. DOI: 10.7146/math.scand.a-10708. Disponível em: https://www.mscand.dk/article/view/10708. Acesso em: 24 nov. 2024.