TY  - JOUR
AU  - I. V. Kolbasina
AU  - K. V. Safonov
TI  - A solvability condition for arbitrary formal grammars
JO  - Prikladnaya Diskretnaya Matematika. Supplement
PY  - 2019
SP  - 196
EP  - 198
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PDMA_2019_12_a54/
LA  - ru
ID  - PDMA_2019_12_a54
ER  -