TY  - JOUR
AU  - V. A. Yaroshevich
TI  - On regularity of semigroups of maps that preserve a~binary relation
JO  - Fundamentalʹnaâ i prikladnaâ matematika
PY  - 2021
SP  - 225
EP  - 240
VL  - 23
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FPM_2021_23_4_a12/
LA  - ru
ID  - FPM_2021_23_4_a12
ER  -