@article{RuMaMu14,
  author={U. Ruiz and J.L. Marroquin and R. Murrieta-Cid},
  title={Tracking an Omnidirectional
Evader with a Differential Drive Robot at Bounded Variable Distance},
  journal={International Journal of Applied Mathematics and Computer Science},
  month={June},
  pages={371--485},
  volume=24,
  number=2,
  year={2014}}