1. T. Dauxois, M. Peyrard, Physics of Solitons, Chapter 3 (Cambridge University Press, Cambridge, UK, 2006)
2. D.J. Korteweg, G. de Vries, Philos. Mag. 39, 422 (1895)
3. J.V. Boussinesq, Essai sur la theorie des eaux courantes, Memoires presentes par divers savants, in L'Academie Des Sciences. l'Institut National France, vol. XXII (Imprimerie Nationale, Paris, 1877), pp. 1–680
4. A. Scott, Nonlinear Science, Emergence and Dynamics of Coherent Structures, 2nd edn. (Oxford University Press, 2003 or Fizmatlit, Moscow, 2007) (in Russian)
5. M. Lakshmanan, S. Rajasekar, Nonlinear Dynamics (Springer, Third Indian Reprint, New Delhi, 2009)