00270nam a2200121Ia 45000030006000000080041000060400015000471000024000622450024000862600009001105460012001190050017001310STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGopalkrishnan, N.S.  aCommutative algebra  c1984  aEnglish20220125165924.0