%0 Journal Article %A Tian, Yu %A Ge, Weigao %T Existence of multiple positive solutions for discrete problems with $p$-Laplacian via variational methods %J Electronic Journal of Differential Equations %D 2011 %V 2011 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a26/ %G en %F EJDE_2011__2011__a26