Liste des citations dans Numdam pour : On the geometry of Goursat structures

ESAIM: Control, Optimisation and Calculus of Variations, Tome 6 (2001), pp. 119-181.

Li, Shun-Jie ;  Respondek, Witold

ESAIM: Control, Optimisation and Calculus of Variations, Tome 18 (2012) no. 3, pp. 774-798.