1. A. Z. Patashinskiĭ and V. L. Pokrovskiĭ, Fluctuation Theory of Phase Transitions, 2nd ed. (Nauka, Moscow, 1982; Pergamon, Oxford, 1979).
2. S. Ma, Modern Theory of Critical Phenomena (Benjamin, Reading, Mass., 1976; Mir, Moscow, 1980).
3. V. S. Dotsenko, Usp. Fiz. Nauk 165, 481 (1995) [Phys. Usp. 38, 457 (1995)].
4. I. K. Kamilov, A. K. Murtazaev, and Kh. A. Aliev, Usp. Fiz. Nauk 169, 773 (1999) [Phys. Usp. 42, 689 (1999)].
5. D. Loison, A. I. Sokolov, B. Delamotte, et al., Pis’ma Zh. Éksp. Teor. Fiz. 72, 447 (2000) [JETP Lett. 72, 337 (2000)].