1. Piecewise smooth dynamical systems: Theory and application;di Bernardo,2008
2. Sliding modes in control and optimization;Utkin,1992
3. Non-smooth dynamical systems;Kunze,2000
4. Differential equations with discontinuous righthand sides;Filippov,1988
5. Differential equations with discontinuous right hand side;Filippov;Matematicheskii Sbornik. Novaya Seriya,1960