TY  - JOUR
AU  - I. E. Bashtanov
TI  - Types of two-place relations and their preservation classes in three-valued logic
JO  - Diskretnaya Matematika
PY  - 1989
SP  - 86
EP  - 96
VL  - 1
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DM_1989_1_2_a8/
LA  - ru
ID  - DM_1989_1_2_a8
ER  -