@article {2013,
	title = {Some open problems},
	number = {arXiv:1304.2590;},
	year = {2013},
	publisher = {SISSA},
	abstract = {We discuss some challenging open problems in the geometric control theory and
sub-Riemannian geometry.},
	keywords = {Geometry},
	url = {http://hdl.handle.net/1963/7070},
	author = {Andrei A. Agrachev}
}
