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@article{MZ_1970__117_171411, author = {Bernhard H. Neumann}, title = {Some {Remarks} on {Cancellative} {Semigroups.}}, journal = {Mathematische Zeitschrift}, pages = {97--111}, publisher = {mathdoc}, volume = {117}, year = {1970}, zbl = {0198.34101}, url = {http://geodesic.mathdoc.fr/item/MZ_1970__117_171411/} }
Bernhard H. Neumann. Some Remarks on Cancellative Semigroups.. Mathematische Zeitschrift, Tome 117 (1970), pp. 97-111. http://geodesic.mathdoc.fr/item/MZ_1970__117_171411/