1. The stability of equilibrium for systems with dry friction;Pozharitskii;Prikl Mat Mekh,1962
2. Attraction for autonomous mechanical systems with sliding friction;Matrosov;Prikl Mat Mekh,1998
3. The stability of the set of equilibrium positions of autonomous mechanical systems with sliding friction;Matrosov;Prikl Mat Mekh,1998
4. Leons sur frottement;Painlevé,1985
5. Atreatise on the Theory of Friction;Jellett,1872