@article{Boscain2014,
	title = "Multi-input Schr\"{o}dinger equation: Controllability, tracking, and application to the quantum angular momentum ",
	journal = "Journal of Differential Equations ",
	volume = "256",
	number = "11",
	pages = "3524 -- 3551",
	year = "2014",
	doi = "http://dx.doi.org/10.1016/j.jde.2014.02.004",
	author = "Ugo Boscain and Marco Caponigro and Mario Sigalotti",
}