1. Ehlers, K. and Koiller, J., Rubber Rolling: Geometry and Dynamics of 2–3–5 Distributions, Proceedings of the IUTAM Symposium on Hamiltonian Dynamics, Vortex Structures, Turbulence, Dordrecht: Springer, (to appear).
2. Ehlers, K. and Koiller, J., Classification of the 2–3–5 Nonholonomic Geometries (in preparation).
3. Cartan, É., Sur la Represéntation géométrique des Systèmes matériels Non Holonomes, Proc. Int. Congr. Math. Bologna, 1928, vol. 4, pp. 253–261.
4. Chaplygin, S.A., On the Theory of the Motion of Nonholonomic Systems. Theorem on the Reducing Multiplier, Mat. Sbornik, 1911, vol. 28, no. 2, pp. 303–314.
5. Stanchenko, S.V., Non-Holonomic Chaplygin Systems, Prikl. Mat. Mekh., 1989, vol. 53, no. 1, pp. 16–23 [J. Appl. Math. Mech. (Engl. transl.), 1990, vol. 53, no. 1, pp. 11–17].