1. S. A. Akhmanov and R. V. Khokhlov, Problems of Nonlinear Optics, (Moscow, 1964) [in Russian].
2. O. V. Rudenko, Akust. Zh. 20, 108–111 (1974).
3. Rudenko, O.V. and Soluyan, S.I., Nonlinear Acoustic Theory (Nauka, Moscow, 1975) [in Russian].
4. O. A. Vasil’eva, A. A. Karabutov, E. A. Lapshin, and O. V. Rudenko, Interaction of Onedimensional Waves in the Nondispersive Media (Izd. MGU, Moscow, 1983) [in Russian].
5. S. N. Gurbatov, O. V. Rudenko, and A. I. Saichev, Waves and Structures in Nonlinear Nondispersive Media (Fizmatlit, Moscow, 2008) [in Russian].