TY  - JOUR
AU  - G. T. Kozlov
AU  - A. I. Kokorin
TI  - Proof of a lemma on model completeness
JO  - Algebra i logika
PY  - 1975
SP  - 533
EP  - 535
VL  - 14
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1975_14_5_a2/
LA  - ru
ID  - AL_1975_14_5_a2
ER  -