@article{SF_1985__31_134761, author = {A.A. Selden}, title = {A nonlocally compact nondiscrete topology for the a-bicyclic semigroup.}, journal = {Semigroup forum}, pages = {372--374}, publisher = {mathdoc}, volume = {31}, year = {1985}, zbl = {0567.22002}, url = {http://geodesic.mathdoc.fr/item/SF_1985__31_134761/} }