1. The Nonlinear Schrödinger Equation;Sulem,1999
2. Discrete and Continuous Nonlinear Schrödinger Systems;Ablowitz,2004
3. Solitons in Optical Communications;Hasegawa,1995
4. Variational methods in nonlinear fiber optics and related fields
5. Collapse and Self-focusing of Langmuir Waves;Zakharov,1984