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- [3] PERIODIC-ORBITS IN A TWO-DIMENSIONAL GALACTIC POTENTIAL CELESTIAL MECHANICS, 1983, 31 (03): : 303 - 315
- [4] PERIODIC-ORBITS IN A 3-DIMENSIONAL POTENTIAL .2. BIFURCATIONS CELESTIAL MECHANICS, 1984, 33 (03): : 217 - 227
- [6] THEORETICAL PERIODIC-ORBITS IN 3-DIMENSIONAL HAMILTONIANS PHYSICA D, 1984, 11 (1-2): : 179 - 192
- [7] PERIODIC-ORBITS IN THE SCHWARZSCHILD GALACTIC POTENTIAL ASTROPHYSICAL JOURNAL, 1989, 337 (01): : 108 - 124