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2. R. Graham, T. Tél. “Macroscopic Potentials of Dissipative Dynamical Systems”, to appear in Proceedings of the Bi BoS — Symposium Stochastic Process-Mathematics and Physics,Bielefeld, December 1985.
3. M.S. Green, J. Chem. Phys. 20, 1281 (1952).
4. R. Graham. H. Haken, Z. Physik 243, 289 (1971);
5. R. Graham. H. Haken, Z. Physik 245, 141 (1971).