%0 Journal Article %A from the editors %T 100 years of the Polish Mathematical Society %J Didactica Mathematicae %D 2018 %P 170-171 %V 40 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/dm.v40i0.6437/ %R 10.14708/dm.v40i0.6437 %G pl %F 10_14708_dm_v40i0_6437