@article{GDZPPN001177443, title = {Approximation of General Arch Problems by Straight Beam Elements}, journal = {Numerische Mathematik}, volume = {39}, year = {1982}, pages = {1-30}, zbl = {0508.73069}, url = {http://dml.mathdoc.fr/item/GDZPPN001177443} }
Bernadou, M.; Ducatel, Y. Approximation of General Arch Problems by Straight Beam Elements. Numerische Mathematik, Tome 39 (1982) pp. 1-30. http://gdmltest.u-ga.fr/item/GDZPPN001177443/