1. For example, see I. Prigogine, Non-Equilibrium Statistical Mechanics (Interscience Publishers, Inc., New York, 1962);
2. T. Y. Wu, Kinetic Equations of Gases and Plasmas (Addison-Wesley Publ. Co., Inc., Reading, Mass., 1966).
3. A. I. Khinchin, Mathematical Foundations of Statistical Mechanics (Dover Publ., Inc., New York, 1949).
4. I. Hosokawa, Prog. Theor. Phys. (Kyoto) 52, 1513 (1974).
5. , N. N. Bogoliubov, in Studies in Statistical Mechanics, J. de Boer and G. E. Uhlenbeck, Eds. (North-Holland Publ. Co., Amsterdam, 1962), Vol. 1.