@misc{pinchinat98b,
  author =	 "O. Kushnarenko, S. Pinchinat",
  title =	 "Labeling Automata with Polynomials",
  howpublished = "Proceedings of the International Workshop on
                  Reasoning about Actions (joint to 10th European
                  Summer School in Logic, Language and Information)",
  year =	 1998,
}