A.S. Shumovsky, V.I. Yukalov, “Exact solutions for heterophase ferromagnets”, Physica A: Statistical Mechanics and its Applications, 110, no. 3, 1982, 518
A. L. KUZEMSKY, “BOGOLIUBOV'S VISION: QUASIAVERAGES AND BROKEN SYMMETRY TO QUANTUM PROTECTORATE AND EMERGENCE”, Int. J. Mod. Phys. B, 24, no. 08, 2010, 835
I. G. Brankov, V. A. Zagrebnov, N. S. Tonchev, “Description of limit gibbs states for Curie-Weiss-Ising model”, Theor Math Phys, 66, no. 1, 1986, 72