TY  - JOUR
AU  - I. B. Kozhukhov
AU  - V. A. Yaroshevich
TI  - Transformation semigroups preserving a~binary relation
JO  - Fundamentalʹnaâ i prikladnaâ matematika
PY  - 2008
SP  - 129
EP  - 135
VL  - 14
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FPM_2008_14_7_a9/
LA  - ru
ID  - FPM_2008_14_7_a9
ER  -