Castro, M., & Liskov, B. (1999). Practical Byzantine Fault Tolerance. In Proceedings of the Third Symposium on Operating Systems Design and Implementation (OSDI '99).

Lamport, L., Shostak, R., & Pease, M. (1982). The Byzantine Generals Problem. ACM Transactions on Programming Languages and Systems (TOPLAS), 4(3), 382-401.

Wikipedia: [Byzantine Fault] (https://en.wikipedia.org/wiki/Byzantine_fault)