Geodesic
On the work of A. G. Maier on central motions
Matematičeskie zametki, Tome 5 (1969) no. 3, pp. 335-339 
L. P. Shilnikov. On the work of A. G. Maier on central motions. Matematičeskie zametki, Tome 5 (1969) no. 3, pp. 335-339. http://geodesic.mathdoc.fr/item/MZM_1969_5_3_a7/
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     author = {L. P. Shilnikov},
     title = {On the work of {A.} {G.~Maier} on central motions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {335--339},
     year = {1969},
     volume = {5},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1969_5_3_a7/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

We construct a dynamical system in three-dimensional Euclidean space that is described by a system of differential equations with infinitely differentiable right-hand sides, the ordinal number of the central trajectories of which exceeds any given transfinite ordinal of the second class.