TY  - JOUR
AU  - V. A. Lyubetskii
TI  - Model completeness of a theory and valuation of formulas
JO  - Algebra i logika
PY  - 1990
SP  - 15
EP  - 28
VL  - 29
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1990_29_1_a1/
LA  - ru
ID  - AL_1990_29_1_a1
ER  -