@article{Agetal19,
  author={G. Aguilar and L. Bravo and U. Ruiz and  R. Murrieta-Cid and E. Chavez},
  title={A Distributed Algorithm for Exploration of Unknown Environments
with Multiple Robots},
  journal={Journal of Intelligent and Robotic Systems},
  month={October},
  pages={1021-1040},
  volume=95,
  number=3-4,
  year={2019}}