1. L. A. Ostrovsky and O. V. Rudenko, in Nonlinear Acoustics-Fundamentals and Applications (Am. Inst. of Physics, Melville, New York, 2008), pp. 9–16.
2. O. V. Rudenko, in Nonlinear Waves 2004 (IPF RAN, Nizhn. Novgorod, 2007), pp. 151–169 [in Russian].
3. L. A. Ostrovsky, in Nonlinear Waves 2004 (IPF RAN, Nizhn. Novgorod, 2005), pp. 109–124 [in Russian].
4. O. V. Rudenko, S. N. Gurbatov, and K. M. Khedberg, Nonlinear Acoustics in Problems and Examples (Fizmatlit, Moscow, 2007) [in Russian].
5. S. N. Gurbatov, O. V. Rudenko, and A. I. Saichev, Waves and Structures in Zero-Dispersion Nonlinear Media (Fizmatlit, Moscow, 2008) [in Russian].