TY - JOUR AU - Alsaedi, Ahmed TI - Approximation of solutions of the forced duffing equation with nonlocal discontinuous type integral boundary conditions JO - Archivum mathematicum PY - 2008 SP - 295 EP - 305 VL - 44 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_2008__44_4_a4/ LA - en ID - ARM_2008__44_4_a4 ER -