1. Huygens, Barrow, Newton and Hooke;Arnol'd,1990
2. Convexity and commuting Hamiltonians;Atiyah;Bull. London Math. Soc.,1982
3. F. Battaglia, E. Prato, Generalized toric varieties for simple non-rational convex polytopes, Preprint math: cv/0004066.
4. Noncommutative Geometry;Connes,1994
5. Hamiltoniens périodiques et image convexe de l'application moment;Delzant;Bull. SMF,1988