1. Introduction to nonlinear waves;Scott,1980
2. Cooperative phenomena and shock waves in collisionless plasmas;Sagdeev,1966
3. Similarity in the asymptotic behaviour of collision-free hydromagnetic waves and water waves;Gardner;Courant Inst. of Math. Sc. Rep. NYO,1960
4. Method for solving the Korteweg–de Vries equation;Gardner;Phys. Rev. Lett.,1967
5. Exact theory of two-dimensional self-focusing and one-dimensional self-modulation of waves in nonlinear media;Zakharov;Zh. Éksper. Teoret. Fiz.,1971