00298nam a2200109 a 450000500170000000800410001704100080005810000180006624500560008426400400014030000080018020260717100941.0260717s1999    ii            000 0 eng d  aeng1 aKhanna, M. P.10aIntroduction to Mathematical Phycis /cKhanna, M.P. 1aNew Delhi :bPrintics Hall,c19999.  a297