1. A. K. Zvezdin and V. A. Kotov, Magneto-Optics of Thin Films (Nauka, Moscow, 1988) [in Russian].
2. V. V. Randoshkin and A. Ya. Chervonenkis, Applied Magneto-Optics (Energoatomizdat, Moscow, 1990) [in Russian].
3. R. V. Pisarev, B. B. Krichevtsov, V. N. Gridnev, V. P. Klin, D. Frolich, and Ch. Pahlke-Lerch, J. Phys.: Condens. Matter 5, 8621 (1993).
4. V. N. Gridnev, V. V. Pavlov, and R. V. Pisarev, Phys. Rev. B: Condens. Matter 63, 184407 (2001).
5. A. S. Logginov, G. A. Meshkov, A. V. Nikolaev, A. P. Pyatakov, V. A. Shust, A. G. Zhdanov,and A. K. Zvezdin, J. Magn. Magn. Mater. 310, 2569 (2007).