%0 Journal Article
%A A. V. Gladkii
%T Certain algorithmic problems for context-free grammars
%J Algebra i logika
%D 1965
%P 5-13
%V 4
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1965_4_1_a0/
%G ru
%F AL_1965_4_1_a0