@article{48,
  author = {Jun Liu and Andrew Teel},
  title = {Invariance principles for hybrid systems with memory},
  year = {2016},
  journal = {Nonlinear Analysis: Hybrid Systems},
  volume = {21},
  pages = {130\textendash138},
  doi = {http://dx.doi.org/10.1016/j.nahs.2015.08.003},
}