Felix Antritter, Jean Lévine. Flatness Characterization: Two Approaches.
Advances in the Theory of Control, Signals and Systems with Physical Modeling, Springer Verlag, pp.127-139, 2010, LECTURE NOTES IN CONTROL AND INFORMATION SCIENCES,
⟨10.1007/978-3-642-16135-3_11⟩.
⟨hal-00575197⟩