Action of the mobius group ¨ M = hx, y : x 2 = y 6 = 1i on certain real quadratic fields. Punjab University Journal of Mathematics, [S. l.], v. 44, n. 1, p. 29–35, 2012. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/4. Acesso em: 30 jun. 2025.