1. Bobylew, D.K., On Ball with Gyroscope Inside Rolling on Horizontal Plane without Sliding, Mat. sb., 1892, vol. 16, no. 3, pp. 544–581 (Russian).
2. Bolsinov, A.V., Borisov, A. V., and Mamaev, I. S., Topology and Stability of Integrable Systems, Uspekhi Mat. Nauk, 2010, vol. 65, no. 2, pp. 71–132 [Russian Math. Surveys, 2010, vol. 65, no. 2, pp. 259–318].
3. Borisov, A.V. and Mamaev, I. S., Dynamics of a Rigid Body: Hamiltonian Methods, Integrability, Chaos, Moscow-Izhevsk: R&C Dynamics, Institute of Computer Science, 2001 (Russian).
4. Borisov, A. V. and Mamaev, I. S., Rolling of a Heterotgeneous Ball over a Sphere without Sliding and Spinning, Rus. J. Nonlin. Dyn., 2006, vol. 2, no. 4, pp. 445–452 (Russian).
5. Borisov, A.V. and Mamaev, I. S., Conservation Laws, Hierarchy of Dynamics and Explicit Integration of Nonholonomic Systems, Rus. J. Nonlin. Dyn., 2008, vol. 4, no. 3, pp. 223–280 [Regul. Chaotic Dyn., 2008, vol. 13, o. 5, pp. 443–490].