00440nam a2200157Ia 450000100060000000800390000602000180004508200110006310000270007424500650010125000170016626000410018330000180022465300250024265300150026758113141203n        ii  |||gr||||Z||||||465  a81-7381-595-x  a530.15  aBhattacharyya,eBinoy. 0amathematical PhysicscBinoy BhattacharyyahTextual Documents  aIst ed-2009.  aWest BengalbNew Central Book Agency  a1012p:c23cm.  aMathematical Physics  aPG-Physics