Khelifi, A., H. Haj-Salem, J.-P. Lebacque, J. Lioris, G. Costeseque, and L. Nabli. “Contribution à La Modélisation Du GSOM Lagrangien”. Academic Journal of Civil Engineering, Vol. 34, no. 1, June 2016, pp. 1167-74, doi:10.26168/ajce.34.1.144.