Harmonic maps in three dimensional Minkowski space with image near geodesics. Yunmei Chen, Jianmin Gao (1994) Mathematische Zeitschrift
Hofer's L...-geometry: energy and stability of Hamiltonian flows, part I. Francois Lalonde, Dusa McDuff (1995) Inventiones mathematicae
Hofer's L...-geometry: energy and stability of Hamiltonian flows, part II. Francois Lalonde, Dusa McDuff (1995) Inventiones mathematicae
Hofer's L...-geometry: energy and stability of Hamiltonian flows, part II (Erratum). D. McDuff, F. Lalonde (1996) Inventiones mathematicae
Hybrid robust stabilization in the Martinet case Christophe Prieur, Emmanuel Trélat (2006) Control and Cybernetics