TY - JOUR AU - Song, Wenjing AU - Gao, Wenjie TI - Positive solutions for a second-order system with integral boundary conditions JO - Electronic Journal of Differential Equations PY - 2011 VL - 2011 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a20/ LA - en ID - EJDE_2011__2011__a20 ER -