TY  - JOUR
AU  - L. L. Maksimova
TI  - Implicit Definability and Positive Logics
JO  - Algebra i logika
PY  - 2003
SP  - 65
EP  - 93
VL  - 42
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2003_42_1_a4/
LA  - ru
ID  - AL_2003_42_1_a4
ER  -