François Vernadat, Pierre Azéma, François Michel. Covering Step Graph. In Jonathan Billington, Wolfgang Reisig, editors, Application and Theory of Petri Nets 1996, 17th International Conference, Osaka, Japan, June 24-28, 1996, Proceedings. Volume 1091 of Lecture Notes in Computer Science, pages 516-535, Springer, 1996.
Abstract is missing.