Mathematical physics : differential equations and transform theory / A.K. Ghatak, I.C. Goyal and S.J. Chua. Ghatak, A.K. Goyal, I.C. Chua, S.J. Mathematical physics. 530.15 GHM Includes index. Delhi : Macmillan India , 1995. 1995. 1995 Text xv, 613 p.: eng