%0 Journal Article %A Mollin, R. A. %T Criteria for Simultaneous Solutions of X 2 − DY 2 = c and x 2 − Dy 2 = −c %J Canadian mathematical bulletin %D 2002 %P 428-435 %V 45 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2002-045-2/ %R 10.4153/CMB-2002-045-2 %F 10_4153_CMB_2002_045_2