1. V. P. Maslov, Theor. Math. Phys., 153, 1677–1696 (2007).
2. V. V. Kozlov, Temperature Equilibrium According to Gibbs and Poincaré [in Russian], Inst. Computer Research, Moscow (2002).
3. V. P. Maslov, Theor. Math. Phys., 154, 175–176 (2008).
4. Course of Theoretical Physics;L. D. Landau,1964
5. Grad. Texts in Math.;A. N. Shiryaev,1995