no. 2
Generic properties of singular trajectories
Annales de l'I.H.P. Analyse non linéaire, Tome 14 (1997) no. 2, pp. 167-186 
@article{AIHPC_1997__14_2_167_0,
     author = {Bonnard, B. and Kupka, I.},
     title = {Generic properties of singular trajectories},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {167--186},
     year = {1997},
     publisher = {Gauthier-Villars},
     volume = {14},
     number = {2},
     mrnumber = {1441391},
     zbl = {0907.93020},
     language = {en},
     url = {https://www.numdam.org/item/AIHPC_1997__14_2_167_0/}
}
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Bonnard, B.; Kupka, I. Generic properties of singular trajectories. Annales de l'I.H.P. Analyse non linéaire, Tome 14 (1997) no. 2, pp. 167-186. https://www.numdam.org/item/AIHPC_1997__14_2_167_0/

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