%0 Journal Article
%A Roman Pol
%T On category-raising and dimension-raising open mappings with discrete fibers
%J Colloquium Mathematicum
%D 1981
%P 65-76
%V 44
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-44-1-65-76/
%R 10.4064/cm-44-1-65-76
%G en
%F 10_4064_cm_44_1_65_76