%0 Journal Article
%A Gruska, Jozef
%T Correction to: “On star height hierarchies of context-free languages”
%J Kybernetika
%D 1973
%V 09
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KYB_1973__9_6_a8/
%G en
%F KYB_1973__9_6_a8