@inproceedings{mmr-ccpc-03
, author =      "Pinaki Mitra and Asish Mukhopadhyay and S. V. Rao"
, title =       "Computing the Closest Point to a Circle"
, booktitle =   "Proc. 15th Canad. Conf. Comput. Geom."
, site =        "Halifax"
, year =        2003
, pages =       "132--135"
}