00321nam a2200121Ia 4500020001500000082001700015100001600032100001500048245007000063260002700133650002500160700001400185  a0333925483  a530.15 GHA/M  aGhatak, A.K  aGoyal, I.C 0aMathematical Physics : Diffrential Equations And Transform Theory  bMacmillanaDelhic1995  aMathematical Physics  aChua, S.J