TY - JOUR AU - Sun, Jian-Ping AU - Wei, Jia TI - Existence of positive solution for semipositone second-order three-point boundary-value problem JO - Electronic journal of differential equations PY - 2008 VL - 2008 UR - http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a12/ LA - en ID - EJDE_2008__2008__a12 ER -