%0 Journal Article %A Schiop, Alexandru I. %T On the stability of the Ritz procedure for nonlinear two-point boundary value problems %J Portugaliae mathematica %D 1979 %P 11-17 %V 38 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1979__38_3-4_115386/ %G en %F PORMA_1979__38_3-4_115386