TY  - JOUR
AU  - B. Plotkin
AU  - G. Zhitomirski
TI  - Some logical invariants of algebras and logical relations between algebras
JO  - Algebra i analiz
PY  - 2007
SP  - 214
EP  - 245
VL  - 19
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_2007_19_5_a8/
LA  - en
ID  - AA_2007_19_5_a8
ER  -