TY  - JOUR
AU  - A. V. Gladkii
TI  - On the recognition of replaceability in recursive languages
JO  - Algebra i logika
PY  - 1963
SP  - 5
EP  - 22
VL  - 2
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1963_2_3_a0/
LA  - ru
ID  - AL_1963_2_3_a0
ER  -