vecteur de Hamilton

[2003] Vector constants of the motion and orbits in the Coulomb/Kepler problem ; Gerardo Muñoz ; American Journal of Physics 71 (dec 2003) p. 1292 [lien]
[2003] Tracing a planet's orbit with a straight edge and a compass with the help of the hodograph and the Hamilton vector ; E. Guillaumín-España ; A. L. Salas-Brito ; H. N. Núñez-Yépez ; American Journal of Physics 71 (jun 2003) p. 585 [lien]