[Reports] / Amer.inst.of aeronautics and astronautics. N 89-1073 : Asymptotic modal analysis of a rectangular acoustic cavity and characterization of its intensification zones : Rep. presented at the AIAA 12th aeroacoustics conf., Apr.10-12, 1989, San Antonio(Tx) / L.Peretti,E.Dowell, 1989. - 12 p. - Текст : непосредственный.