TY - JOUR AU - Yuri N. Fedorov TI - A Discretization of the Nonholonomic Chaplygin Sphere Problem JO - Symmetry, integrability and geometry: methods and applications PY - 2007 VL - 3 UR - http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a43/ LA - en ID - SIGMA_2007_3_a43 ER -