TY  - JOUR
AU  - V. I. Tumanov
TI  - Lattices of equational theories of models
JO  - Algebra i logika
PY  - 1979
SP  - 488
EP  - 504
VL  - 18
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1979_18_4_a8/
LA  - ru
ID  - AL_1979_18_4_a8
ER  -