%0 Journal Article
%A Novotný, Miroslav
%T On a class of languages
%J Archivum mathematicum
%D 1970
%P 155-170
%V 06
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ARM_1970__6_3_a2/
%G en
%F ARM_1970__6_3_a2