%0 Journal Article
%A V. D. Luchkin
%T Ranks of configurations of context-free languages
%J Algebra i logika
%D 1966
%P 59-70
%V 5
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1966_5_3_a3/
%G ru
%F AL_1966_5_3_a3