1. S. A. Akhmanov, V. A. Vysloukh, and A. S. Chirkin, Optics of Femtosecond Laser Pulses (American Inst. Phys., New York, 1992).
2. Y. R. Shen, The Principles of Nonlinear Optics (Wiley, New York, 1984; Nauka, Moscow, 1989).
3. G. P. Agrawal, Nonlinear Fiber Optics (Academic, New York, 1995).
4. A. P. Sukhorukov, Nonlinear Wave Interactions in Optics and Radiophysics (Nauka, Moscow, 1988) [in Russian].
5. Y. S. Kivshar and G. P. Agrawal, Optical Solitons: From Fibers to Photonic Crystals (Academic, San Diego, 2003).