References
- Skokos, Ch.; Parsopoulos, K. E.; Patsis, P. A.; Vrahatis, M. N.
Particle swarm optimization: an efficient method for tracing periodic
orbits in three-dimensional galactic potentials, 2005
MNRAS.359..251
- Hiotelis, N.; Patsis, P. A.
Inversions for axisymmetric galactic disks, 1993Ap&SS.206...21
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