@article{NUMA_1982__40_132810,
     author = {M. Bernadou and Y. Ducatel},
     title = {Approximation of {General} {Arch} {Problems} by {Straight} {Beam} {Elements}},
     journal = {Numerische Mathematik},
     pages = {1--30},
     publisher = {mathdoc},
     volume = {40},
     year = {1982},
     zbl = {0508.73069},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1982__40_132810/}
}