@article{Bouzid2016757, title = "A necessary condition for Byzantine k-set agreement ", journal = "Information Processing Letters ", volume = "116", number = "12", pages = "757 - 759", year = "2016", note = "", issn = "0020-0190", doi = "http://dx.doi.org/10.1016/j.ipl.2016.06.009", url = "http://www.sciencedirect.com/science/article/pii/S002001901630093X", author = "Zohir Bouzid and Damien Imbs and Michel Raynal", keywords = "Algorithms", keywords = "Byzantine process", keywords = "k-Set agreement", keywords = "Message-passing system", keywords = "Atomic read/write register " }