TY  - JOUR
AU  - A. T. Nurtazin
TI  - Properties of existentially closed companions
JO  - Algebra i logika
PY  - 2018
SP  - 321
EP  - 337
VL  - 57
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2018_57_3_a4/
LA  - ru
ID  - AL_2018_57_3_a4
ER  -