TY - JOUR AU - E. A. Bondar TI - On the regularity of some subsemigroups of equivalence relation's endomorphism monoid JO - Prikladnaâ diskretnaâ matematika PY - 2014 SP - 5 EP - 11 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2014_3_a0/ LA - ru ID - PDM_2014_3_a0 ER -