C. Amick, On the theory of internal waves of permanent form in fluids of great depth, Transactions of the American Mathematical Society, vol.346, issue.2, pp.399-419, 1994.
DOI : 10.1090/S0002-9947-1994-1145726-1

C. Amick and J. Toland, Uniqueness and related analytic properties for the Benjamin-Ono equation ???a nonlinear Neumann problem in the plane, Acta Mathematica, vol.167, issue.0, pp.1-49, 1989.
DOI : 10.1007/BF02392447

T. B. Benjamin, Internal waves of permanent form in fluids of great depth, Journal of Fluid Mechanics, vol.45, issue.03, pp.559-592, 1967.
DOI : 10.1017/S002211206700103X

F. Dias and G. Iooss, Water-Waves as a Spatial Dynamical System, Handbook of Mathematical Fluid Dynamics, pp.443-499, 2003.
DOI : 10.1016/S1874-5792(03)80012-5
URL : https://hal.archives-ouvertes.fr/hal-00017484

G. Iooss, Gravity and Capillary-Gravity Periodic Travelling Waves for Two Superposed Fluid Layers, One Being of Infinite Depth, Journal of Mathematical Fluid Mechanics, vol.1, issue.1, pp.24-61, 1999.
DOI : 10.1007/s000210050003
URL : https://hal.archives-ouvertes.fr/hal-01271096

G. Iooss and P. Kirrmann, Capillary gravity waves on the free surface of an inviscid fluid of infinite depth. Existence of solitary waves, Archive for Rational Mechanics and Analysis, vol.240, issue.1, pp.136-137, 1996.
DOI : 10.1007/BF02199364
URL : https://hal.archives-ouvertes.fr/hal-01271137

G. Iooss, E. Lombardi, and S. M. Sun, Gravity travelling waves for two superposed fluid layers, one being of infinite depth: a new type of bifurcation, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.360, issue.1799, pp.2245-2336, 2002.
DOI : 10.1098/rsta.2002.1071
URL : https://hal.archives-ouvertes.fr/hal-01271075

G. Iooss and A. Mielke, Bifurcating time-periodic solutions of Navier-Stokes equations in infinite cylinders, Journal of Nonlinear Science, vol.41, issue.1, pp.107-146, 1991.
DOI : 10.1007/BF01209150

K. Kirchgässner, Wave-solutions of reversible systems and applications, Journal of Differential Equations, vol.45, issue.1, pp.113-127, 1982.
DOI : 10.1016/0022-0396(82)90058-4

H. Ono, Algebraic Solitary Waves in Stratified Fluids, Journal of the Physical Society of Japan, vol.39, issue.4, pp.39-1082, 1975.
DOI : 10.1143/JPSJ.39.1082

C. A. Stuart, Bifurcation into Spectral Gaps, Bull. Belg. Math. Soc. Simon Stevin, vol.59, p.pp, 1995.

S. M. Sun, Existence of solitary internal waves in a two-layer fluid of infinite depth, Nonlinear Analysis: Theory, Methods & Applications, vol.30, issue.8, pp.5481-5490, 1997.
DOI : 10.1016/S0362-546X(97)00178-8