%0 Journal Article %A Zhimin Zahng %T Arch beam models: finite element analysis and superconvergence. %J Numerische Mathematik %D 1992 %P 117-144 %V 61 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1992__61_3_133614/ %F NUMA_1992__61_3_133614