@article{ARM_1969_5_3_a2, author = {Hoehnke, Hans-J\"urgen}, title = {Zur {Einbettung} von $\Omega${-Pseudoscharen} in {Halbgruppen}}, journal = {Archivum mathematicum}, pages = {131--141}, year = {1969}, volume = {5}, number = {3}, mrnumber = {0285469}, zbl = {0275.20123}, language = {de}, url = {http://geodesic.mathdoc.fr/item/ARM_1969_5_3_a2/} }