%0 Journal Article %A M. Bernadou %A Y. Ducatel %T Approximation of General Arch Problems by Straight Beam Elements %J Numerische Mathematik %D 1982 %P 1-30 %V 40 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1982__40_132810/ %F NUMA_1982__40_132810