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36. Roger, A. and M. Baribaud, "Optimization and the time-dependent inverse problem," Optique Hertzienne et Diélectriques Meeting, 1989.

37. Roger, A., "Convergence et Stabilité en Sismique inverse," Rapport Elf-Aquitaine, No. 89-445, 1989.

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44. Gosselin, O., A. Roger, P. Terpolilli, and J. P. Penot, "Problèmes d'identification: un algorithme robuste et efficace," Congrès National d'Analyse Numérique, 1988.

45. Holberg, O., "Computational aspects of the choice of operator and sampling interval for numerical differentiation in large-scale simulation of wave phenomena," Geophysical Prospecting, Vol. 37, 629-655, 1987.

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