00301nam a2200133Ia 45000030006000000080041000060400015000471000029000622450028000912500010001192600009001295460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aNarasimhan, M.S.; Others  aMathematical pamplets I  aFirst  c1963  aEnglish20220125165954.0