TY  - JOUR
AU  - Ya. M. Drugush
TI  - Union of logics modeled by finite trees
JO  - Algebra i logika
PY  - 1982
SP  - 149
EP  - 161
VL  - 21
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1982_21_2_a2/
LA  - ru
ID  - AL_1982_21_2_a2
ER  -