TY  - JOUR
AU  - S.K. Stein
TI  - Semigroups satisfying xy = yg (x,y)x.
JO  - Semigroup forum
PY  - 1987
SP  - 249
EP  - 252
VL  - 36
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1987__36_134900/
ID  - SF_1987__36_134900
ER  -