Limit cycles of discontinuous piecewise smooth differential systems in the plane R...
Periodic solutions dor discontinuous dynamical systems with symmetry
Bifurcation of limit cycles in smooth piecewise systems and an application in Medi...
Study of discontinuous piecewise linear vector fields via Averaging method
Continuous or piecewise smooth dynamical systems on 2 and 3 dimensional manifolds.
Qualitative theory of ordinary differential equations: integrability, periodic orb...