Chrastinová, Veronika; Tryhuk, Václav:
On the Mayer problem. II: Examples.
(English).Mathematica Slovaca,
vol. 52
(2002),
issue 5,
pp. 571-590
Chrastinová, Veronika: A general controllability theorem.
(English).
In:
Kuben, J.
and Vosmanský, J. (eds.): Equadiff 10, Czechoslovak International Conference on Differential Equations and Their Applications, Prague, August 27-31, 2001.
[Part 2] Papers.
Masaryk University, Brno, 2002.
pp. 103-108