TY  - JOUR
AU  - J.W. Hogan
TI  - Hausdorff  topologies on the a-bicyclic semigroup.
JO  - Semigroup forum
PY  - 1987
SP  - 189
EP  - 210
VL  - 36
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1987__36_134896/
ID  - SF_1987__36_134896
ER  -