TY  - JOUR
AU  - M. Yamada
TI  - Note on a certain class of orthodox semigroups.
JO  - Semigroup forum
PY  - 1974
SP  - 180
EP  - 188
VL  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1974__6_133973/
ID  - SF_1974__6_133973
ER  -