TY  - JOUR
AU  - V. A. Lyubetskii
TI  - Transfer theorems and the algebra of modal operators
JO  - Algebra i logika
PY  - 1997
SP  - 282
EP  - 303
VL  - 36
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1997_36_3_a3/
LA  - ru
ID  - AL_1997_36_3_a3
ER  -