1. N. M. Astaf’eva, Usp. Fiz. Nauk 166, 1145 (1996) [Phys. Usp. 39, 185 (1996)].
2. CBMS-NSF Regional Conference Series in Applied Mathematics;I. Daubechies,1992
3. D. V. Perov, A. B. Rinkevich, Ya. G. Smorodinskii, and B. Keler, Defektoskopiya, No. 12, 67 (2001).
4. D. V. Perov and A. B. Rinkevich, Defektoskopiya, No. 4, 78 (2002).
5. A. S. Krivonosova, A. B. Rinkevich, and Ya. G. Smorodinskii, Akust. Zh. 47, 92 (2001) [Acoust. Phys. 47, 76 (2001)].