The inverse problem of acoustic diagnosis for three-dimensional media" . Goncharsky A.V., Romanov S.Y., Kharchenko S.A. Methods and algorithms for solving the direct and inverse problems of acoustic diagnosis for three-dimensional media on parallel computers are discussed. ... Highly efficient and linearly scalable algorithms were developed for solving the direct and inverse problems under discussion. ... The work was supported by the Russian Foundation for Basic Research (05-01-08068). ...