1. L. D. Landau and I. M. Lifshits, Theoretical Physics, Vol. 4: Statistical Physics (GITTL, Moscow–Leningrad, 1951) [in Russian].
2. I. A. Kvasnikov, Statistical Physics, Vol. 2: Theory of Equilibrium Systems (URSS, Moscow, 2002) [in Russian].
3. G. H. Hardy and S. Ramanujan, “Asymptotic formulae in combinatory analysis,” Proc. London Math. Soc. (2) 17, 75–115 (1917).
4. H. Rademacher, “On the partition function p(n),” Proc. LondonMath. Soc. (2) 43, 241–254 (1937).
5. P. Erdos and J. Lehner, “The distribution of the number of summands in the partitions of a positive integer,” Duke Math. J. 8, 335–345 (1941).