TY - JOUR AU - Ozdarska, Danuta AU - Szufla, Stanisław TI - Weak solutions of a boundary value problem for nonlinear ordinary differential equation of second order in Banach spaces JO - Mathematica slovaca PY - 1993 SP - 301 EP - 307 VL - 43 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1993__43_3_a3/ LA - en ID - MASLO_1993__43_3_a3 ER -