BUJALANCE, E. Automorphism groups of compact Klein surfaces with one boundary component. MATHEMATICA SCANDINAVICA, [S. l.], v. 59, p. 45–58, 1986. DOI: 10.7146/math.scand.a-12153. Disponível em: https://www.mscand.dk/article/view/12153. Acesso em: 5 may. 2024.