%0 Journal Article
%A Jerzy Dydak
%T On elementary maps
%J Colloquium Mathematicum
%D 1974
%P 67-69
%V 31
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-31-1-67-69/
%R 10.4064/cm-31-1-67-69
%G en
%F 10_4064_cm_31_1_67_69