%0 Journal Article %A Zhong-ci Shi %T A Convergence Condition for the Quadrilateral Wilson Element. %J Numerische Mathematik %D 1984 %P 349-362 %V 44 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1984__44_132941/ %F NUMA_1984__44_132941