1. P.A. Semenov, “Liquid Flows in Thin Layers,” Zh. Tekhn. Fiz. 14, 427 (1944).
2. P.L. Kapitsa and S.P. Kapitsa, “Wave Flows of Thin Viscous-Liquid Layers,” Zh. Eksp. Teor. Fiz. 18, 3 (1948).
3. P.L. Kapitsa and S.P. Kapitsa, “Wave Flows of Thin Viscous-Liquid Layers,” Zh. Eksp. Teor. Fiz. 19, 105 (1949).
4. V.Ya. Shkadov, “Wave Flow Regimes of a Thin Layer of Viscous Fluid Subject to Gravity,” Fluid Dynamics 2(1), 29 (1967).
5. V.Ya. Shkadov, “Wave-Flow Theory for a Thin Viscous Liquid Layer,” Fluid Dynamics 3(2), 12 (1968).