@article{SF_1974__7_134001, author = {L. King and T. Hanson}, title = {Noncompact semigroup actions.}, journal = {Semigroup forum}, pages = {58--73}, year = {1974}, volume = {7}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SF_1974__7_134001/} }