00477cam a22001692  4500001001100000005001700011008004100028020001700069040001500086050002000101100002900121245002600150250001700176260004200193300003400235650003800269000000368420151217145739.0070514s        xx            000 0 eng d  a0706996836 :  aKABUcKABU 0aQC20b.G87 19931 aGupta, B. D.@000015377310aMathematical physics.  a2nd Rev. ed.  aNew Delhi :bVikas Publishing,c1993.  axv, 1236 p in various paging. 0aMathematical physics.@0000153774