00321nam a2200121Ia 45000030006000000080041000060400015000471000022000622450064000842600022001485460012001700050017001820STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLipschutz Seymour  aSchaums outline of theory and problems of complex variables  bMcgraw hillc1974  aEnglish20220125170124.0