1. Stoker, J. J.: Water waves. Interscience 1957.
2. Debnath, L., Rosenblat, S.: The ultimate approach to the steady state in the generation of waves on a running stream. Quart. J. Math. and Appl. Math.22, 221?233 (1969).
3. Puri, K. K.: Waves on a shear flow. Bull. Austral. Math. Soc.11, 263?277 (1974).
4. Wehausen, J. V., Laitone, E. V.: Surface waves, in: Flügge, S., ed.: Handbuch der Physik, Vol. IX, Berlin: Springer-Verlag 1960.
5. Debnath, L.: On initial development of axisymmetric waves in fluids of finite depth. Proc. Nat. Inst. Sci. India35, 567?585 (1969).