Entropies des flots magnétiques
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Stéphane Grognet (1999)
Annales de l'I.H.P. Physique théorique
Su-shing Chen (1981)
Mathematische Annalen
Keith Burns, Marlies Gerber (1994)
Journal für die reine und angewandte Mathematik
Vadim A. Kaimanovich (1994)
Journal für die reine und angewandte Mathematik
Ernesto A. Lacomba, J. Guadalupe Reyes (2000)
Publicacions Matemàtiques
A mistake was found in the reasoning leading to a Lagrangian which we considered as equivalent from the formula for the action S(γ) below the classical mechanical problem (3) on "Non singular Hamiltonian systems and geodesic flows on surfaces with negative curvature", page 271.
P. Foulon (1992)
Annales de l'I.H.P. Physique théorique
Frédéric Naud (2005)
Annales scientifiques de l'École Normale Supérieure
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