1. The stability of the rotation of a rigid body about the vertical when there are collisions with a horizontal plane;Markeyev;Prikl. Mat. Mekh.,1984
2. The stability of the motion of a rigid body when there are collision with a vibrating horizontal plane;Markeyev,1985
3. Two-dimensional Vibrational-collision Systems. Dynamics and Stability;Kobrinskii,1981
4. The equations of motion of mechanical systems with ideal unilateral constraints;Zhuravlev;Prikl. Mat. Mekh.,1978