%0 Journal Article
%A A. Ya. Dikovsky
%T On the general notion of complexity of derivation in a context-free grammar
%J Doklady Akademii Nauk
%D 1974
%P 257-260
%V 214
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_214_2_a4/
%G ru
%F DAN_1974_214_2_a4