00550cam a22001932  4500001001100000005001700011008004100028020001700069020002000086040001500106050002100121100003500142245005200177250001200229260004800241300001500289650004900304852000300353000000422020151217145759.0070521s         xx           000 0 eng d  a8120318854 :  a0691043616 (hb)  aKABUcKABU 0aQA374b.F65 19951 aFolland, Gerald B.@000015467510aIntroduction to partial differential equations.  a2nd ed.  aNew Delhi :bPrentice-Hall of India,c1995.  axi, 324 p. 0aDifferential equations, Partial.@00001546601