On the possibility and impossibility of achieving clock synchronizationDanny DolevJoe Halpernet al.1984STOC 1984
Shifting gears: Changing algorithms on the fly to expedite Byzantine agreementAmotz Bar-NoyDanny Dolevet al.1992Information and Computation
An efficient algorithm for byzantine agreement without authenticationDanny DolevMichael J. Fischeret al.1982Information and Control