%0 Journal Article %A P. Lesaint %A M. Zlámal %T Convergence of the Nonconforming Wilson Element for Arbitrary Quadrilateral Meshes. %J Numerische Mathematik %D 1980 %P 33-52 %V 36 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1980__36_132688/ %F NUMA_1980__36_132688