1. Adams R.A., Fournier J.J.F. (2003). Sobolev Spaces, 2nd Edition. Academic Press, New York
2. Agrachev, A.A., Sachkov, Yu.L.: Lectures on Geometric Control Theory. Berlin et. al.: Springer-Verlag, 2004
3. Agrachev, A.A., Sarychev, A.V.: Navier-Stokes Equation Controlled by Degenerate Forcing: Controllability of Finite-Dimensional Approximations. In Intern. Conf. Physics and Control 2003. Proceedings, S.Petersburg, 2003. IEEE, CD ROM, pp. 1346–1351
4. Agrachev, A.A., Sarychev, A.V.: Controllability of the Navier-Stokes Equation by Few Low Modes Forcing. Doklady of Russian Academy of Sciences, 394, 727–730 (2004);
5. Engl. transl. in: Doklady Mathe. Sci. 69, 112–115 (2004)