1. Electric-analog studies of impact dampers;Masri;Exp. Mech.,1967
2. Differential equations with discontinuous right-hand side;Filippov;Am. Math. Soc. Trans.,1964
3. Differential Equations with Discontinuous Righthand Sides;Filippov,1988
4. Foundation of a theory of discontinuous systems. 1;Ajzerman;Autom. Rem. Contr.,1974
5. Foundation of a theory of discontinuous systems. 2;Ajzerman;Autom. Rem. Contr.,1974