Bernard Bonnard, Monique Chyba. Singular trajectories in optimal control. Baillieul, John; Samad, Tariq.
Encyclopedia of Systems and Control, Springer-Verlag, 2015, 978-1-4471-5058-9 / 978-1-4471-5057-2.
〈10.1007/978-1-4471-5058-9_49〉.
〈hal-00939089〉