TY  - JOUR
AU  - A. V. Gladkii
TI  - The algorithmic undecidability of inherent ambiguity of
JO  - Algebra i logika
PY  - 1965
SP  - 53
EP  - 63
VL  - 4
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1965_4_4_a2/
LA  - ru
ID  - AL_1965_4_4_a2
ER  -