KŘETÍNSKÝ, Mojmír,
Vojtěch ŘEHÁK and
Jan STREJČEK. On Extensions of Process Rewrite Systems: Rewrite Systems with Weak Finite-State Unit. In
Prelim.Proc.of the 5th Internat.Workshop on Verification of Infinite-State Systems (INFINITY'2003). Marseille, France: Universite de Provence, Marseille, 2003, p. 73-86.