%0 Journal Article
%A Lidia Zaręba
%A Janina Wiercioch
%T Julileusz Profesor Heleny Siwek
%J Didactica Mathematicae
%D 2010
%V 33
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/dm.v33i0.33/
%R 10.14708/dm.v33i0.33
%G pl
%F 10_14708_dm_v33i0_33