%0 Journal Article %A Rao, A.Kameswara %T Positive solutions for a system of nonlinear boundary-value problems on time scales %J Electronic Journal of Differential Equations %D 2009 %V 2009 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a58/ %G en %F EJDE_2009__2009__a58