00288nam a2200109Ia 4500008004100000082001500041100002100056245004900077260003400126300001000160650000800170060110s9999    xx            000 0 und d  a512bJAC/B  aJACOBSON, Nathan  aBasic algebrabVolume. 2cBy Nathan Jacobson  bW H Freeman and Companyc1980  a666p.  a512