%0 Journal Article
%A Mezník, Ivan
%T On some closure properties of generable languages
%J Commentationes Mathematicae Universitatis Carolinae
%D 1973
%P 541-552
%V 14
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1973__14_3_a9/
%G en
%F CMUC_1973__14_3_a9