1. A. Scott, F. Chu and D. McLaughlin. The soliton: A new concept in applied science. Proceed. IEEE 1973, 61, p. 1443–1483. see [26] part IV.
2. R. Miura. The Korteveg-de Vries equation: A survey of results. SIAM Review 1976, 18, p. 412–459.
3. R. Miura ed. Bäcklund Transformation, The Inverse Scattering Method, Solitons and Their Applications. Lectures Notes in Mathematics Springer, Berlin, N.Y. 1976.
4. F. Calogero ed. Nonlinear Evolution Eqs. Solvable by the Spectral Transform. Pitman, London 1978.
5. R. Bullough and P. Caudrey eds. Solitons. Springer, Berling, N.Y. 1980.