Proceedings de conférences internationales

• E. B´ECACHE. Variational Integral Method in the Time Domain for Elastic Scattering Problems. International Boundary Element Symposium, Nice, Mai 1990.
• E. B´ECACHE, E. CHOVET, F. DELPRAT-JANNAUD, P. LAILLY. Reflection tomography : How to cope with multiple arrivals ? Proc. of the 62th S.E.G. Meeting, New-Orleans, Nov. 1992 .
• E. B´ECACHE, F. COLLINO, M. KERN, P. JOLY.On two Migration Methods based on Paraxial Equations in a 3D heterogeneous Medium. Proc. of the conference Mathematical Methods in Geophysical Imaging III, part of SPIE's 1995 International Symposium on Optical Science, Engineering and Instrumentation, San Diego, California, July 1995.
• E. B´ECACHE, F. COLLINO, P. JOLY. Higher order numerical schemes for paraxial approximations of the wave equation. 2nd International Conference on Theoretical and Computational Acoustics, August 1995.
• E. B´ECACHE, C. TSOGKA, P. JOLY. Fictitious domain method applied to the scattering by a crack of transient elastic waves in anisotropic media: a new family of mixed finite elements leading to explicit schemes. Mathematical and numerical aspects of wave propagation (Golden, CO, 1998), 322-326, SIAM, Philadelphia, PA, 1998.