1. S. A. Akhmanov, V. A. Vysloukh, and A. S. Chirkin, The Optics of Femtosecond Pulses (Nauka, Moscow, 1988) [in Russian].
2. G. G. Agrawal, Nonlinear Fiber Optics (Academic, San Diego, 1995; Mir, Moscow, 1996).
3. P. G. Kryukov, Femtosecond Pulses: Introduction into a New Area of Laser Physics (Fizmatlit, Moscow, 2008) [in Russian].
4. A. M. Zheltikov, Ultrashort Pulses and Methods of Non-linear Optics (Fizmatlit, Moscow, 2006) [in Russian].
5. S. A. Kozlov and V. V. Samartsev, Optics of Femtosecond Lasers (SPbGU ITMO, St. Petersburg, 2007) [in Russian].