@article {2001,
	title = {On the subanalyticity of Carnot-Caratheodory distances},
	journal = {Ann. I. H. Poincare - An., 2001, 18, 359},
	number = {SISSA;25/00/M},
	year = {2001},
	publisher = {SISSA Library},
	doi = {10.1016/S0294-1449(00)00064-0},
	url = {http://hdl.handle.net/1963/1483},
	author = {Andrei A. Agrachev and Jean-Paul Gauthier}
}
