1. Lectures Notes in Mathematics;M. Takesaki,1970
2. Ruelle, D.: Statistical mechanics, Chapter 7. New York: Benjamin 1969
3. The connections between time evolution and equilibrium for quantum statistical systems may be found in: Haag, R., Hugenholtz, N., Winnink, M.: Commun. math. Phys.6, 215–236 (1967)
4. Hugenholtz, N. M.: States and representations in statistical mechanics. In: Streater (Ed.): Mathematics of contemporary physics, p. 145. London-New York: Academic Press 1972
5. Winnink, M.: In: Kastler, D. (Ed.): Cargèse lectures in Physics, Vol. 4, pp. 235–255. New York: Gordon and Breach 1969