@article{CTT100705170,
  author = {Taisuke Izumi and Samia Souissi and Yoshiaki Katayama and Nobuhiro Inuzuka and Xavier Defago and Koichi Wada and Masafumi Yamashita},
  title = {The Gathering Problem for Two Oblivious Robots with Unreliable Compasses},
  journal = {SIAM J. Comput.},
  year = 2012,
}