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@article{MAN_1964__155_161196, author = {E.-A. Behrens}, title = {Unendliche quasi-einreihige {Halbgruppen.}}, journal = {Mathematische Annalen}, pages = {343--368}, publisher = {mathdoc}, volume = {155}, year = {1964}, zbl = {0126.26704}, url = {http://geodesic.mathdoc.fr/item/MAN_1964__155_161196/} }
E.-A. Behrens. Unendliche quasi-einreihige Halbgruppen.. Mathematische Annalen, Tome 155 (1964), pp. 343-368. http://geodesic.mathdoc.fr/item/MAN_1964__155_161196/