1. Schwartz, L. W. 1974 Computer extension and analytic continuation of Stokes expansion for gravity waves.J. Fluid Mech. 62,553–478.
2. Zakharov, V. E. 1968 Stability of periodic waves of finite amplitude on the surface of a deep fluid.J. Appl. Mech. Tech. Phys. 2,190–194.
3. Peregrine, D. H. & Thomas, G. P. 1979 Finite amplitude deep water waves on currents.Phil. Trans. Roy. Soc. A 292,371–390.
4. Crawford, D. R. , Saffman, P. G. & Yuen, H. C. 1980 Evolution of a random inhomogeneous field of nonlinear deep-water gravity waves.Wave Motion 2,1–16.
5. Chen, B. & Saffman, P. G. 1980 Numerical evidence for the existence of new types of gravity waves of permanent form on deep water.Stud. Appl. Math. 62,1–21.