TY  - JOUR
AU  - E. A. Palyutin
TI  - Stably Definable Classes of Theories
JO  - Algebra i logika
PY  - 2005
SP  - 583
EP  - 600
VL  - 44
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2005_44_5_a3/
LA  - ru
ID  - AL_2005_44_5_a3
ER  -