%0 Journal Article
%A Qiao,  Ning
%A Wang,  Zhi-Qiang
%T Multiplicity results for positive solutions to non-autonomous elliptic problems
%J Electronic journal of differential equations
%D 1999
%V 1999
%U http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a71/
%G en
%F EJDE_1999__1999__a71