%0 Journal Article %A . Redakcja %T 53. Spotkanie CIEAEM %J Didactica Mathematicae %D 2000 %P 224 %V 22 %N 01 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/dm.v22i01.6732/ %R 10.14708/dm.v22i01.6732 %G pl %F 10_14708_dm_v22i01_6732