1. A. Isihara, Statistical Physics (Elsevier, Amsterdam, 1971).
2. Yu. B. Rumer and M. S. Ryvkin, Thermodynamics, Statistical Physics and Kinetics, 2nd ed. (Novosib. Univ., Novosibirsk, 2000) [in Russian].
3. M. Yu. Romanovsky and W. Ebeling, Contrib. Plasma Phys. 46, 260 (2006).
4. P. Romanczuk, M. Baer, W. Ebeling, et al., Eur. Phys. J. Spec. Top. 202, 1 (2012).
5. N. Ya. Vilenkin, Combinatorics (Nauka, Moscow, 1969) [in Russian]; N. Ya. Vilenkin, Popular Combinatorics (Nauka, Moscow, 1975) [in Russian].