%0 Journal Article %A Daqing Jiang %A Huizhao Liu %T On the existence of nonnegative radial solutions for p-Laplacian elliptic systems %J Annales Polonici Mathematici %D 1999 %P 19-29 %V 71 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-71-1-19-29/ %R 10.4064/ap-71-1-19-29 %G en %F 10_4064_ap_71_1_19_29