@article {2002,
	title = {Geometry of Jacobi curves II},
	journal = {J. Dynam. Control Systems 8 (2002), no. 2, 167--215},
	number = {SISSA;18/2002/M},
	year = {2002},
	publisher = {SISSA Library},
	doi = {10.1023/A:1015317426164},
	url = {http://hdl.handle.net/1963/1589},
	author = {Andrei A. Agrachev and Igor Zelenko}
}
