%0 Journal Article %A Ozdarska, Danuta %A Szufla, Stanisław %T Weak solutions of a boundary value problem for nonlinear ordinary differential equation of second order in Banach spaces %J Mathematica slovaca %D 1993 %P 301-307 %V 43 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1993__43_3_a3/ %G en %F MASLO_1993__43_3_a3