@article{1747,
  author = {Xinzhi Liu and Xuemin Shen and Yi Zhang and Qing Wang},
  title = {Stability criteria for impulsive systems with time delay and unstable system matrices},
  year = {2007},
  journal = {IEEE Transactions on Circuits and Systems I: Regular Papers},
  volume = {54},
  number = {10},
  pages = {2288-2298},
  publisher = {IEEE},
}