%0 Journal Article %A Aranda, Carlos %A Godoy, Tomas %T Existence and multiplicity of positive solutions for a singular problem associated to the $p$-Laplacian operator %J Electronic Journal of Differential Equations %D 2004 %V 2004 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a189/ %G en %F EJDE_2004__2004__a189