TY  - JOUR
AU  - O. I. Egorushkin
AU  - I. V. Kolbasina
AU  - K. V. Safonov
TI  - Geometric condition of formal grammars solvability
JO  - Prikladnaya Diskretnaya Matematika. Supplement
PY  - 2020
SP  - 106
EP  - 108
IS  - 13
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PDMA_2020_13_a30/
LA  - ru
ID  - PDMA_2020_13_a30
ER  -