%0 Journal Article %A Réka Szász %T Mathematics teachers and differentiation - results of a survey concerning Hungarian secondary schools %J Annales mathematicae et informaticae %D 2006 %P 189-205 %V 33 %I mathdoc %U http://geodesic.mathdoc.fr/item/AMI_2006_33_a15/ %G en %F AMI_2006_33_a15