00313nam a2200121Ia 45000030006000000080041000060400015000471000022000622450047000842600031001315460012001620050017001740STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aIstratescu Vasile  aJournal of the Indian mathematical society  bMathematical Societyc1967  aEnglish20220125170026.0