TY  - JOUR
AU  - Yu. L. Ershov
TI  - Stability preservation theorems
JO  - Algebra i logika
PY  - 2008
SP  - 269
EP  - 287
VL  - 47
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2008_47_3_a0/
LA  - ru
ID  - AL_2008_47_3_a0
ER  -