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Computation of nonlinear backscattering using a high-order numerical method

Fibich, G.
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2001] 2001

Global discrete artificial boundary conditions for time-dependent wave propagation

Riaben'kii, V. S. (Viktor Solomonovich)
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Hanover, MD : Available from NASA Center for AeroSpace Information, [2001] 2001

On the definition of surface potentials for finite-difference operators

Tsynkov, Semyon.
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; Hanover, MD : Available from NASA Center for AeroSpace Information, [2001] 2001

Quadratic optimization in the problems of active control of sound

Loncaric, J. (Josip)
Hampton, Va. : ICASE, NASA Langley Research Center ; [Springfield, Va. : For sale by the National Technical Information Service, 2002] 2002