1. V. Ya. Shkadov, ?Wave flow regimes of a thin viscous liquid layer subjected to gravity force,? Izv. AN SSSR, MZhG [Fluid Dynamics], no. 1, 1967.
2. P. L. Kapitsa and S. P. Kapitsa, ?Wave flow of thin layers of a viscous liquid?, Zh. eksper. i teoret. fiz., vol. 19, no. 2, p. 105, 1949.
3. A. F. Andreev, ?The stability of laminar flow of thin liquid layers,? Zh. eksper. i teoret. fiz., vol. 45, no. 9, 1963.
4. L. N. Maurin and V. S. Sorokin, ?Wave flow of thin viscous liquid layers,? PMTF, no. 4, 1962.
5. T. B. Benjamin, ?Wave formation in laminar flow down an inclined plane?, J. Fluid. Mech., vol. 2, pt. 6, p. 554, 1957.