Generalizations of the Korteweg-de Vries equation. (English) Zbl 0268.35072

Partial diff. Equ., Berkeley 1971, Proc. Sympos. Pure Math. 23, 303-307 (1973).


35G20 Nonlinear higher-order PDEs
35G25 Initial value problems for nonlinear higher-order PDEs
35Q99 Partial differential equations of mathematical physics and other areas of application
35B20 Perturbations in context of PDEs