Moshe Y. Vardi. Sometimes and Not Never Re-revisited: On Branching Versus Linear Time. In Davide Sangiorgi, Robert de Simone, editors, CONCUR 98: Concurrency Theory, 9th International Conference, Nice, France, September 8-11, 1998, Proceedings. Volume 1466 of Lecture Notes in Computer Science, pages 1-17, Springer, 1998. [doi]
Abstract is missing.