1. A. A. Ionin, S. I. Kudryashov, L. V. Seleznev, et al., Zh. Eksp. Teor. Fiz. 116, 347 (2013).
2. D.W. Bäuerle, Laser Processing and Chemistry (Springer-Verlag, Berlin, 2000).
3. S. A. Akhmanov, N. I. Koroteev, and I. L. Shumay, Laser Science and Technology (Harwood Academic, Chur, 1989), Vol.2.
4. K. Sokolowski-Tinten and D. Von der Linde, Phys. Rev. B 61, 2643 (2000).
5. Physical Encyclopedia, Ed. by A.M. Prokhorov (Soviet Encyclopedia, Moscow, 1990), Vol. 2, p. 37 [in Russian].