%0 Journal Article
%A Ed Dubinsky
%A W. Robinson
%T A characterization of ω by block extensions
%J Studia Mathematica
%D 1973
%P 153-159
%V 47
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-47-2-153-159/
%R 10.4064/sm-47-2-153-159
%G en
%F 10_4064_sm_47_2_153_159