Cortés Vega, L. A., C. Fernández, and G. Perla Menzala. “On Outgoing Solutions for a System of Time-Harmonic Elastic Wave in the Exterior of a Star-Shaped Domain”. Proyecciones (Antofagasta, On Line), vol. 25, no. 2, May 2017, pp. 205-29, doi:10.4067/S0716-09172006000200006.