%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 461-466
%V 9
%N 6
%U http://geodesic.mathdoc.fr/item/KYB_1973_9_6_a2/
%G en
%F KYB_1973_9_6_a2