@inproceedings{BrRuMuAgCh17,
  author={L. Bravo and U. Ruiz and R. Murrieta-Cid and G. Aguilar and E. Chavez },
  title={A distributed exploration algorithm for unknown environments with multiple obstacles by multiple robots},
  booktitle={Proc. IEEE/RSJ International Conference on Intelligent Robots and Systems},
  pages={4460--4466},
  year={2017}}