-. C. El, J. P. Alaoui, I. Gauthier, and . Kupka, Small sub- Riemannian balls on R 3, J. Dynam. Control Systems, vol.2, pp.359-421, 1996.

M. Bonnard and . Chyba, Singular trajectories and their role in control theory, Mathématiques & Applications, vol.40, 2003.

W. Brockett, Control theory and singular Riemannian geometry. New directions in applied mathematics, pp.11-27, 1980.

T. Chambrion, L. Giraldi, and A. Munnier, Optimal strokes for driftless swimmers: A general geometric approach, ESAIM: Control, Optimisation and Calculus of Variations, vol.2014, p.969259
DOI : 10.1051/cocv/2017012

URL : https://hal.archives-ouvertes.fr/hal-00969259

P. H. Lenz, D. Takagi, and D. K. Hartline, Choreographed swimming of copepod nauplii, Journal of The Royal Society Interface, vol.33, issue.112, p.112, 2015.
DOI : 10.1242/jeb.105676

J. Lohéac and . Scheid, Time optimal swimmers and Brockett integrator, p.1164561, 2015.

. Takagi, Swimming with stiff legs at low Reynolds number, Physical Review E, vol.92, issue.2, 2015.
DOI : 10.1103/PhysRevE.92.023020

B. Vinter, Optimal control, Systems & Control: Foundations & Applications, p.507, 2000.
URL : https://hal.archives-ouvertes.fr/inria-00629428