TY - JOUR AU - Sun, Yong-Ping TI - Nontrivial solution for a three-point boundary-value problem JO - Electronic Journal of Differential Equations PY - 2004 VL - 2004 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a3/ LA - en ID - EJDE_2004__2004__a3 ER -