1. L.N. Sretenskii, “On Waves on the Interface between Two Fluids with an Application to the “Dead Water” Phenomenon,” Zh. Geofiziki, 4(3), 332–367 (1934).
2. L.N. Sretenskii, Theory of Wave Fluid Motions, (Nauka, Moscow, 1977) [in Russian].
3. I.M. Mindlin, Integro-Differential Equations in the Dynamics of a Heavy Stratified Fluid (Nauka, Moscow, 1996) [in Russian].
4. K.A. Gorshkov, I.S. Dolina, I.A. Soustova, and Yu.I. Troitskaya, “Modulation of Short Wind Waves in the Presence of Intense Internal Waves. Increment Modulation Effect,” Izv. Ros. Akad. Nauk. Fizika Atmosfery i Okeana, 39(5), 661–672 (2003).
5. A.A. Chesnokov, “Propagation of Long-Wave Perturbations in a Vortical Two-Layer Fluid with a Free Boundary,” Prikl. Mekh. Tekhn. Fiz. 45(2), 99–110 (2004).