TY  - JOUR
AU  - Vitaliy M. Bondarenko
AU  - Yaroslav V. Zaciha
TI  - On characteristic properties of semigroups
JO  - Algebra and discrete mathematics
PY  - 2015
SP  - 32
EP  - 39
VL  - 20
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ADM_2015_20_1_a3/
LA  - en
ID  - ADM_2015_20_1_a3
ER  -