1. Proof rules dealing with fairness;Apt,1982
2. A proof rule for fair termination of guarded commands;Grumberg,1981
3. Formal verification of parallel programs;Keller;Comm. ACM,1976
4. Proving the correctness of multiprocess programs;Lamport;IEEE Trans. Software Engrg.,1977
5. Impartiality, justice and fairness: The ethics of concurrent termination;Lehmann,1981