Pliss V.A. Aproximation dynamics and the stability of invariant sets / V. A. Pliss, G. R. Sell, 1996. - 42 p. - Текст : непосредственный.
Pliss V.A. Perturbations of normally hyperbolic manifolds with applications to the Navier-Stokes equations / V.A.Pliss,G.R.Sell, 1999. - 78 p. - Текст : непосредственный.