1. The problem of the stability of steady motions of non-holonomic system;Karapetyan;Prikl. Mat. Mekh.,1980
2. Dynamics of Non-Holonomic Systems;Neimark,1967
3. Stability of Conservative and Dissipative Systems;Karapetyan,1983
4. The Stability of Steady Motions;Karapetyan,1998
5. The problem of the stability of the steady motions of non-holonomic Chaplygin system;Kalenova;Prikl. Mat. Mekh.,2002