[IEEE International Symposium on and National Conference on Acoustoelectronics. Program and Abstracts Surface Waves in Solid and Layered Structures - Moscow, Russia (17-23 May 1994)] International Symposium on and National Conference on Acoustoelectronics. Program and Abstracts Surface Waves in Solid and Layered Structures - Nonlinear Reflection Of The Far Infrared Radiation From A Structure With High Doped GaAs Layer