1. R. W. Damon and J. R. Eshbach, J. Phys. Chem. Solids 19 (3/4), 308 (1961).
2. B. Lax and K. J. Button, Microwave Ferrites and Ferrimagnetics (McGraw-Hill, New York, 1962; Mir, Moscow, 1965).
3. A. G. Gurevich and G. A. Melkov, Magnetization Oscillations and Waves (Nauka, Moscow, 1994; CRC, Boca Raton, 1996).
4. G. A. Vugal’ter and P. A. Gilinskii, Izv. Vyssh. Uchebn. Zaved. Radiofiz. 32, 1187 (1989).
5. A. I. Akhiezer, V. G. Bar’yakhtar, and S. V. Peletminskii, Spin Waves (Nauka, Moscow, 1967; North- Holland, Amsterdam, 1968).