@article{05372455, title = {Constrained and unconstrained optimization formulations for structural elements in unilateral contact with an elastic foundation.}, journal = {Mathematical Problems in Engineering}, volume = {2008}, year = {2008}, doi = {10.1155/2008/786520}, zbl = {1151.74400}, language = {en}, url = {http://dml.mathdoc.fr/item/05372455} }
Silveira, Ricardo A.M.; Pereira, Wellington L.A.; Gonçalves, Paulo B. Constrained and unconstrained optimization formulations for structural elements in unilateral contact with an elastic foundation.. Mathematical Problems in Engineering, Tome 2008 (2008) . doi : 10.1155/2008/786520. http://gdmltest.u-ga.fr/item/05372455/