%0 Journal Article
%A Roman Sikorski
%T Algebra of formalized languages
%J Colloquium Mathematicum
%D 1962
%P 1-31
%V 9
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-9-1-1-31/
%R 10.4064/cm-9-1-1-31
%G en
%F 10_4064_cm_9_1_1_31