00562nam a22001692  4500001001100000005001700011008004100028020001700069040001500086050001600101100003300117245007600150260004700226300003700273650004900310700003300359000000421320151217155208.0070521s        xx            000 0 eng d  a0442012535 :  aKABUcKABU 0aQA374b.B541 aBleecker, David.@000015465910aBasic partial differential equations /cDavid Bleecker, George Csordas.  aNew York :bVan Nostrand Reinhold,cc1992.  b1 v. (various pagings) ;c25 cm. 0aDifferential equations, Partial.@00001546601 aCsordas, George.@0000154661