%0 Journal Article %A Wan-Tong Li %A Sui Cheng %T Classifications and existence of positive solutions of a higher order nonlinear difference equation %J Colloquium Mathematicum %D 2000 %P 137-153 %V 83 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-83-1-137-153/ %R 10.4064/cm-83-1-137-153 %G en %F 10_4064_cm_83_1_137_153