Bey, RAbah, Amar Heminna, y Jean-Pierre Lohéac. «Boundary Stabilization of the Linear Elastodynamic System by a Lyapunov-Type Method». Revista Matemática Complutense 16, no. 2 (enero 1, 2003): 417–441. https://doi.org/10.5209/rev_REMA.2003.v16.n2.16815.