00578nam a2200181 a 450000500170000000800410001704100080005808200110006610000170007724500520009425000120014626400510015830000230020965000220023294200070025499900170026195201180027820260717100929.0260717s1987    ii            000 0 eng d  aeng04a530.121 aGupta, K. C.10aAdvanced quantum theory & fields /cGupta, K.C.  a2nd ed. 1aNew Delhi :bS.Chand & Company Pvt Ltd,c1987.  aill.632p.:ill;21cm 4aQuantum Mechanics  cBK  c27511d27511  001040708DCaBKBCLbBKBCLd1988-06-25g55.00l0o530.12 GUPp21187r2026-07-17 09:12:38v55.00w2026-07-17yBK