@article {2000, title = {Quantized control systems and discrete nonholonomy}, journal = {Lagrangian and Hamiltonian Methods for Nonlinear Control : a proc. volume from the IFAC Workshop. Princeton, New Jersey, 16-18 March 2000 / ed. by N.E. Leonard, R. Ortega. - Oxford : Pergamon, 2000}, number = {SISSA;44/00/M}, year = {2000}, publisher = {Elsevier}, isbn = {0-08-043658-7}, url = {http://hdl.handle.net/1963/1502}, author = {Alessia Marigo and Benedetto Piccoli and Antonio Bicchi} }