00303nam a2200133Ia 45000030006000000080041000060400015000471000028000622450031000902500010001212600009001315460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPathi, G.C.; Arya, S.P.  aSets functions and numbers  aFirst  c1975  aEnglish20220125165957.0