%0 Journal Article
%A O. I. Egorushkin
%A I. V. Kolbasina
%A K. V. Safonov
%T Geometric condition of formal grammars solvability
%J Prikladnaya Diskretnaya Matematika. Supplement
%D 2020
%P 106-108
%N 13
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PDMA_2020_13_a30/
%G ru
%F PDMA_2020_13_a30