%0 Journal Article %A Furusho, Yasuhiro %A Kusano, TakaƝi %T A supersolution-subsolution method for nonlinear biharmonic equations in $\mathbb{R}^N$ %J Czechoslovak Mathematical Journal %D 1997 %P 749-768 %V 47 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_1997__47_4_a12/ %G en %F CMJ_1997__47_4_a12