TY - JOUR AU - Sun, Yongping TI - Eigenvalues and symmetric positive solutions for a three-point boundary-value problem JO - Electronic journal of differential equations PY - 2005 VL - 2005 UR - http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a205/ LA - en ID - EJDE_2005__2005__a205 ER -