1. C. C. Lin, Theory of Hydrodynamic Stability, Cambridge Univ. Press, Cambridge (1955).
2. O. A. Ladyzhenskaya, The Mathematical Theory of Viscous Incompressible Flow, 2nd ed., Gordon and Breach (1968).
3. S. G. Krein, "Differential equations in Banach space and their application to hydromechanics," Usp. Matem. Nauk,12, No. 1, 208?210 (1957).
4. M. Z. Solomyak, "Application of semigroup theory to the study of differential equations in Banach spaces," Dokl. Akad. Nauk SSSR,122, No. 5, 766?769 (1958).
5. P. E. Sobolevskii, "Application of fractional powers of operators in the study of the Navier-Stokes equations," Dokl. Akad. Nauk SSSR,155, No. 1, 50?53 (1964).