TY - JOUR AU - Xu, Jiafa AU - Yang, Zhilin TI - Three positive solutions for a system of singular generalized Lidstone problems JO - Electronic Journal of Differential Equations PY - 2009 VL - 2009 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a61/ LA - en ID - EJDE_2009__2009__a61 ER -