Coupling-Constant Metamorphosis and Duality between Integrable Hamiltonian Systems
J. Hietarinta, B. Grammaticos, B. Dorizzi, and A. Ramani
Phys. Rev. Lett. 53, 1707 (1984) - Published 29 October, 1984
New Conserved Quantities and Test for Regular Spectra
Asher Peres
Phys. Rev. Lett. 53, 1711 (1984) - Published 29 October, 1984
Onset of Chaos in an Isolated Energy Eigenstate
M. Shapiro and G. Goelman
Phys. Rev. Lett. 53, 1714 (1984) - Published 29 October, 1984