1. Alekseev, V.M., Tikhomirov, V.M., Fomin, S.V.: Optimal Control. Contemporary Soviet Mathematics. Consultants Bureau, New York (1987). ISBN:0-306-10996-4
2. Arnold, V.I., Kozlov, V.V., Neishtadt, A.I.: Mathematical aspects of classical mechanics. Dynamical Systems III, Third Edition, Encyclopaedia of Mathematical Sciences 3. Springer-Verlag, Berlin (2006). ISBN 978-3-540-28246-4
3. Appell, P.: Exemple de mouvement d’un point assujetti à une liaison exprimé par une relation non linéaire entre les composantes de la vitesse. Rend. Circ. Mat. Palermo 32, 48–50 (1911)
4. Birkhoff, G.D.: Dynamical Systems, with an Addendum by Jurgen Moser. American Mathematical Society Colloquium Publications. American Mathematical Society, Providence (1966)
5. Bloch, A.M.: Nonholonomic mechanics and control, with the collaboration of J. Baillieul, P. Crouch and J. Marsden, with scientific input from P. S. Krishnaprasad, R. M. Murray and D. Zenkov. Interdisciplinary Applied Mathematics 24, Systems and Control. Springer-Verlag, New York (2003). ISBN: 0-387-95535-6