@inproceedings{ben-or83,
  author    = {Michael Ben-Or},
  title     = {Another Advantage of Free Choice: Completely Asynchronous
               Agreement Protocols (Extended Abstract).},
  booktitle = {In Proceedings of the 2nd annual ACM Symposium on Principles of Distributed Computing Systems (PODC'83)},
  year      = {1983},
  pages     = {27-30},
  pdfurl = {http://www.disi.unitn.it/~montreso/ds/syllabus/papers/p27-ben-or.pdf}
}