000 00336nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aP.P.Gupta
245 0 _aMathamatical Physics
250 _a2nd Ed
260 _aMeerut
260 _bKetharnath Ramnath Publishers
260 _c1973
650 _aMathamatical Physics
942 _cBK
999 _c419
_d419