D. Chillingworth, Dynamics of an impact oscillator near a degenerate graze, Nonlinearity, vol.23, issue.11, pp.2723-2748, 2010.
URL : https://hal.archives-ouvertes.fr/hal-01390258

C. Corduneanu, Almost periodic functions. Interscience tracts in pure and applied mathematics, 1968.

J. Coron, Mathematical Surveys and Monographs, Control and Nonlinearity, vol.136, p.9780821849187, 2007.

M. Fredriksson and A. Nordmark, Bifurcations caused by grazing incidence in many degrees of freedom impact oscillators, Proceedings of the Royal Society, vol.453, pp.1261-1276, 1961.
URL : https://hal.archives-ouvertes.fr/hal-01297285

S. Junca, H. L. Thi, M. Legrand, and A. Thorin, Impact dynamics near unilaterally constrained grazing orbits, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01562154

H. L. Thi, S. Junca, and M. Legrand, Periodic solutions of a two-degree-offreedom autonomous vibro-impact oscillator with sticking phases, Nonlinear Analysis: Hybrid Systems, vol.28, pp.54-74, 2018.

M. Legrand, S. Junca, and S. Heng, Nonsmooth modal analysis of a N-degree-offreedom system undergoing a purely elastic impact law, Communications in Nonlinear Science and Numerical Simulation, vol.45, pp.190-219, 2017.

A. Nordmark, Existence of periodic orbits in grazing bifurcations of impacting mechanical oscillators, Nonlinearity, vol.14, issue.6, pp.1517-1542, 2001.
URL : https://hal.archives-ouvertes.fr/hal-01297283

M. Schatzman, A class of nonlinear differential equations of second order in time, Nonlinear Analysis: Theory, Methods & Applications, vol.2, pp.355-373, 1978.
URL : https://hal.archives-ouvertes.fr/hal-01294058

A. Thorin, P. Delezoide, and M. Legrand, Non-smooth modal analysis of piecewiselinear impact oscillators, SIAM Journal on Applied Dynamical Systems, vol.16, issue.3, pp.1710-1747, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01298983

A. Thorin, P. Delezoide, and M. Legrand, Periodic solutions of n-dof autonomous vibro-impact oscillators with one lasting contact phase, Nonlinear Dynamics, vol.90, issue.3, pp.1771-1783, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01505888

A. Thorin, M. Legrand, and S. Junca, Nonsmooth modal analysis: investigation of a 2-dof spring-mass system subject to an elastic impact law, Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference: 11th International Conference on Multibody Systems, Nonlinear Dynamics, and Control. DETC2015-46796, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01185973

P. Thota, Analytical and Computational Tools for the Study of Grazing Bifurcations of Periodic Orbits and Invariant Tori, 2007.
URL : https://hal.archives-ouvertes.fr/tel-01330429