@article{mostefaouisignature, title={Signature-free asynchronous Byzantine systems: from multivalued to binary consensus with $t< n/3$, $O(n\^{} 2)$ messages, and constant time}, author={Most{\'e}faoui, Achour and Raynal, Michel}, journal={Acta Informatica}, pages={1--20}, doi={10.1007/s00236-016-0269-y}, publisher={Springer}, year={2016} }