%0 Journal Article %A Harry Yserentant %T On the Multi-Level Splitting of Finite Element Squares. %J Numerische Mathematik %D 1986 %P 379-412 %V 49 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1986__49_133120/ %F NUMA_1986__49_133120