1. Watson, J. 1960 On the nonlinear mechanics of wave disturbances in stable and unstable parallel flows, II.J. Fluid Mech. 9,371–89.
2. Ukhovskii, M. R. & Iudovich, V. I. 1963 On the equations of steady-state convection.Prik. Math. Mek. 27,432–40.
3. Stuart, J. T. 1960 Non-linear effects in hydrodynamic stability.Proc. X-th Int. Congr. Appl. Math. pp.63–97.Stresa,Elsevier.
4. Phillips, H. B. 1933 Vector Analysis .New York:John Wiley.
5. Sani, R. L. & Scriven, L. E. 1964 Convective instability. I. To be submitted toPhys. Fluids.