1. G. V. Petrov, ?Effect of the shock bounding a hypersonic shock layer on boundary layer stability,? in: Instability of Subsonic and Supersonic Flows [in Russian], Novosibirsk (1982), p. 25.
2. G. V. Petrov, ?Stability of thin viscous shock layer on a wedge in hypersonic flow of perfect gas,? Laminar-Turbulent Transition. IUTAM Symp., Novsibirsk (1984).
3. S. A. Gaponov and A. A. Maslov, Development of Disturbances in Compressible Flows [in Russian], Nauka, Novosibirsk (1980).
4. P. I. Kolykhalov, ?Instability of plane-parallel supersonic gas flows in the linear approximation,? Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 2, 10 (1985).
5. A. M. Blokhin, ?Mixed problem for the system of equations of acoustics with shock wave boundary conditions,? Preprint No. 110 [in Russian], Computer Center, Siberian Division of the USSR Academy of Sciences, Novosibirsk (1978).