00402nam a2200157 a 450000500170000010000190001724500410003626000350007730000130011269000120012569000100013796400160014799700120016399900170017595200520019220251203092223.0  aHarper,Charlie  aIntroduction to Mathematical Physics  aNew DelhibPrentice Hallc1989  axvi,301p  aPhysics  aMaths  bcdefg_  a53061 W  c68345d68345  02104070aPUbPUd2000-08-28l0o p53061yBK