Research Catalog

  • Long-time numerical integration of the three-dimensional wave equation in the vicinity of a moving source [microform] / V.S. Ryaben'kii and V.I. Turchaninov, S.V. Tsynkov.

    • Text
    • Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center ; [Springfield, Va. : National Technical Information Service, distributor, 1999]
    • 1999
  • Global discrete artificial boundary conditions for time-dependent wave propagation [microform] / V.S. Ryaben'kii, S.V. Tsynkov, V.I. Turchaninov.

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

    Available Online

    http://purl.access.gpo.gov/GPO/LPS38998
  • Quadratic optimization in the problems of active control of sound [microform] / J. Loncaric, S.V. Tsynkov.

    • Text
    • Hampton, Va. : ICASE, NASA Langley Research Center ; [Springfield, Va. : For sale by the National Technical Information Service, 2002]
    • 2002
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS60169

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