Hammurabi Mendes Maurice Herlihy Multidimensional approximate agreement in Byzantine asynchronous systems. 391-400 2013 STOC https://doi.org/10.1145/2488608.2488657 https://www.wikidata.org/entity/Q60305003 conf/stoc/2013 db/conf/stoc/stoc2013.html#MendesH13