Singular perturbation of codimension-3 singularities of planar piecewise smooth ve...
Regularization of planar Filippov Systems near a codimension one singularity
Piecewise smooth vector fields: Closing Lemmas, shifts and horseshoe dynamics.
Intermittent vector fields: theoretical aspects and applications
Qualitative theory and bifurcations of piecewise smooth vector fields
Cyclicity and local structural stability of piecewise vector fields