%0 Journal Article %A Cohen, Boaz %T Generalized pell equations for 2 × 2 matrices %J Discussiones Mathematicae. General Algebra and Applications %D 2017 %P 13-30 %V 37 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGAA_2017_37_1_a1/ %G en %F DMGAA_2017_37_1_a1