TY  - JOUR
AU  - I. S. Vorob'ev
AU  - A. V. Ustinov
TI  - Symmetric semigroups with three generators
JO  - Sbornik. Mathematics
PY  - 2019
SP  - 1690
EP  - 1701
VL  - 210
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2019_210_12_a1/
LA  - en
ID  - SM_2019_210_12_a1
ER  -