00321nam a2200109Ia 4500008004000000082001600040100002200056245004200078260005400120300001200174650002500186210210b1978   xxu||||| |||| 00| 0 eng d  a530.15 HARI  aHARPER (Charlie).  aIntroduction to mathematical physics.  aN DbPrentice-Hall of India Private Limitedc1978  axvi,301  aMathematical Physics