00305nam a2200121Ia 45000030006000000080041000060400015000471000022000622450042000842600028001265460012001540050017001660STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPanjab University  aSupliment to text book on mathematics  bPanjab Universityc1972  aEnglish20220125170021.0