%0 Conference Proceedings %F benveniste98f %A Benveniste, A. %A Gaubert, S. %A Jard, C. %T Monotone rationale series and max-plus algebraic models of real-time systems %B Proceedings of the Fourth Workshop on Discrete Event Systems %I IEE %C Cagliari, Italy %U ftp://ftp.irisa.fr/local/signal/publis/articles/WODES-98:sem.ps.gz %8 August %D 1998