00373nam a2200133 a 450000500170000000800410001702000180005804100080007608200110008410000200009524500600011526400380017530000260021320260717092736.0260717s1976    ii            000 0 eng d  a9788120302624  aeng04a530.151 aHarper, Charlie10aIntroduction to Mathematical Physics /cHarper, Charlie 1aNew Delhi :bPHI Learing,cc1976.  axiii, 301 p. ; 24 cm.