@article{Kisielewicz:2009,
author
=
"M.Kisielewicz",
title
=
"Controllability theorem for nonlinear dynamical systems",
journal
=
"Discussiones Mathematicae Differential Inclusions Control and Optimization",
volume
=
"Vol. 22",
number
=
"no 2",
pages
=
"225--232",
year
=
"2002",
}