Scattering by noncompact obstacles
Translation from Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 127, 68-74 (Russian) (1983; Zbl 0527.35064).
abstract approach to scattering theory on noncompact obstacles
operators of second order with respect to the time
boundary problems for the wave equations
scientific article; zbMATH DE number 3865848