%0 Journal Article %A Xu, Jiafa %A Yang, Zhilin %T Three positive solutions for a system of singular generalized Lidstone problems %J Electronic Journal of Differential Equations %D 2009 %V 2009 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a61/ %G en %F EJDE_2009__2009__a61