%0 Journal Article
%A Cremers, A. B.
%A Weiss, K.
%T Some further remarks on the index of context-free languages
%J Kybernetika
%D 1973
%P -466
%V 09
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KYB_1973__9_6_a2/
%G en
%F KYB_1973__9_6_a2