%0 Journal Article
%A . Redakcja
%T CIEAEM 55
%J Didactica Mathematicae
%D 2003
%P  230
%V 25
%N 01
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/dm.v25i01.6658/
%R 10.14708/dm.v25i01.6658
%G pl
%F 10_14708_dm_v25i01_6658