TY  - JOUR
AU  - T. Imaoka
AU  - Yamada
TI  - Some remarks on the free regular *-semigroup generated by a single element.
JO  - Semigroup forum
PY  - 1983
SP  - 191
EP  - 204
VL  - 26
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1983__26_134602/
ID  - SF_1983__26_134602
ER  -