@article{article1b23c974, title = {Fold bifurcation of T-singularities and invariant manifolds in 3D piecewise-smooth dynamical systems}, author = {Cristiano, Rony and Pagano, Daniel J. and Tonon, Durval José and Carvalho, Tiago de}, year = {2020}, doi = {10.1016/j.physd.2019.132293}, journal = {Physica D: Nonlinear Phenomena} }