%0 Journal Article %A Vitoriano Ruas %T A Quadratic Finite Element Method for solving Biharmonic Problems in IRn. %J Numerische Mathematik %D 1987 %P 33-44 %V 52 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1987__52_5_133223/ %F NUMA_1987__52_5_133223