1. Linear Operators Part I: General Theory;Dunford,1958
2. Partial Differential Equations;Friedman,1969
3. D. Henry, “Geometric Theory of Semilinear Parabolic Equations,” unpublished manuscript.
4. Perturbation Theory for Linear Operators;Kato,1966
5. On the nonstationary Navier-Stokes system;Kato,1962