00290nam a2200121Ia 45000030006000000080041000060400015000471000023000622450045000852600009001305460012001390050017001510STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSpiegel Murray, R.  aTheory and problems of advanced calculus  c1963  aEnglish20220125165943.0