@article{ticozzi2004,
	author="F. Ticozzi and A. Ferrante and A. Pavon",
	title="Robust Steering of N-Level Quantum Systems",
	journal="Ieee Transactions on Automatic Control",
	year="2004",
	pages="1742--1745",
	volume="49",
	issn="0018-9286"
}