00316    a2200109   4500020001500000020001800015082001200033100002100045245008300066260003600149300002100185  a0139586202  a978013958620004a515.3531 aAsmar, Nakhle H.10aPartial differential equations and boundary value problems /cNakhle H. Asmar.  a[S.l.] :bPrentice Hall,c1999.  a598 p. ;c25 cm.