... getIlzlkw<M(IITJIilo,w'+IITJ2110,w'+IITJollo,wl),(14)whereMis a constant independent of handz(x),IlvilL =llvll~,w+ II& apos;Vvllo,wl, Ilvllo,w== ~ II& apos;Vvll~,wl==('Vv, ... theGS)u(x)satisfies the following equalities: .Pu== II 6.u(x)v(x)dx= - II f(x)v(x)dx, Vv(x)EL2(G);u(x)=0,xEec.(2)G GLetxEW-r.For deriving finite - difference methods, we may take the ... satisfying the equality: II i:(kdx) :;)v(x)= - II f(x)v(x)dx, Vv(x)EW~(G)Gt=1G(21)SCHEMES FOR GENERALIZED SOLUTIONS OF SOME ELLIPTIC DIFFERENTIAL EQLT"-TIONS', II 13From the last...