1. O. V. Rudenko and C. M. Hedberg, Acoust. Phys. 59 (6), 644 (2013).
2. O. V. Rudenko, S. N. Gurbatov, and C. M. Hedberg, Nonlinear Acoustics through Problems and Examples (Fizmatlit, M., 2007; Trafford, Victoria BC, Canada, 2011).
3. Hydrodynamics of Tsunami Waves,;E. Pelinovsky,2006
4. E. A. Khazanov and A. M. Sergeev, Phys.-Usp. 51 (4), 969 (2008).
5. S. A. Akhmanov and R. V. Khokhlov, Problems of Nonlinear Optics (Gordon and Breach, NY, 1972).