%0 Journal Article
%A Ferenc Várady
%T Introduction of differential calculus in the class 10 with graphical calculator
%J Annales mathematicae et informaticae
%D 2015
%P 161-177
%V 45
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AMI_2015_45_a13/
%G en
%F AMI_2015_45_a13