TY  - JOUR
AU  - A. V. Nechesov
TI  - Some questions on polynomially computable representations for generating grammars and Backus-Naur forms
JO  - Matematičeskie trudy
PY  - 2022
SP  - 134
EP  - 151
VL  - 25
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MT_2022_25_1_a5/
LA  - ru
ID  - MT_2022_25_1_a5
ER  -