Francesca AlbertiniDomenico D'AlessandroBenjamin ShellerSub-Riemannian Geodesics in SU(n)/S(U(n-1) × U(1)) and Optimal Control of Three Level Quantum Systems.1176-1191202065IEEE Trans. Autom. Control.3https://doi.org/10.1109/TAC.2019.2950559https://www.wikidata.org/entity/Q115264186db/journals/tac/tac65.html#AlbertiniDS20