%0 Journal Article
%A Michael Friedberg
%T Metrizable approximations of semigroups
%J Colloquium Mathematicum
%D 1972
%P 63-69
%V 25
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-25-1-63-69/
%R 10.4064/cm-25-1-63-69
%G en
%F 10_4064_cm_25_1_63_69