Numerical Optimization: Theoretical and Practical Aspects (second edition), with J.F. Bonnans, C. Lemaréchal, and C.A. Sagastizábal, Springer, 2006 (first edition in 2003).
82 citations, according to MathSciNet (11-2-2014), 769 citations, according to Google Scholar (11-2-2014).
Optimisation Numérique: Aspects Théoriques et Pratiques, with J.F. Bonnans, C. Lemaréchal, and C.A. Sagastizábal, collection Mathématiques et Applications, Vol. 27, Springer, 1997.
29 citations, according to MathSciNet (11-2-2014), 169 citations, according to Google Scholar (11-2-2014).