[Reports] / Amer.inst.of aeronautics and astronautics. N 90-0586 : Preconditioned conjugate gradient methods for the compressible navier-stokes equations : Rep. presented at the AIAA 28th aerospace sciences meet. Jan.8-11, 1990/Reno(Nv) / V.Venkatakrishnan, 1990. - 12 p. - Текст : непосредственный.