List of citations in Numdam for : On the role of abnormal minimizers in sub-riemannian geometry
Annales de la Faculté des sciences de Toulouse : Mathématiques, Serie 6, Volume 10 (2001) no. 3, pp. 405-491.
Annales de l'I.H.P. Analyse non linéaire, Volume 23 (2006) no. 3, pp. 363-387.
ESAIM: Control, Optimisation and Calculus of Variations, Volume 4 (1999), pp. 245-334.