G. Besançon, D. Georges, and Z. Benayache, Asymptotic state prediction for continuous-time systems with delayed input and application to control, European Control Conference, pp.1786-1791, 2007.

A. Cacace, C. Germani, and . Manes, An observer for a class of nonlinear systems with time varying observation delay, Systems & Control Letters, vol.59, issue.5, pp.305-312, 2010.

F. Cacace, A. Germani, and C. Manes, A chain observer for nonlinear systems with multiple time-varying measurement delays, SIAM Journal on Control and Optimization, vol.52, issue.3, pp.1862-1885, 2014.

M. Cho and R. Rajamani, A systematic approach to adaptive observer synthesis for nonlinear systems, IEEE Transactions on Automatic Control, vol.42, issue.4, pp.534-537, 1997.

A. Germani, C. Manes, and P. Pepe, An asymptotic state observer for a class of nonlinear delay systems, Kybernetika, vol.37, pp.459-478, 2001.

M. Kahelras, T. A. Ali, F. Giri, and F. Lamnabhi-lagarrigue, Sampled-data chain-observer design for a class of delayed nonlinear systems, International Journal of Control, vol.91, issue.5, pp.1076-1090, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01810922

A. Karl, ;. N. Wittenmark-bjorn, R. Kazantzis, and . Wright, Nonlinear observer design in the presence of delayed output measurments, Systems & Control Letters, vol.54, pp.877-886, 1994.

X. Li, Q. Zhang, and H. Su, An adaptive observer for joint estimation of states and parameters in both state and output equations, International Journal of Adaptive Control and Signal Processing, vol.25, issue.9, pp.831-842, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00777420

S. Mondal and W. K. Chung, Adaptive observer for a class of nonlinear systems with time-varying delays, International Journal of Adaptive Control and Signal Processing, vol.27, issue.7, pp.610-619, 2013.

S. Kumpati, A. M. Narendra, and . Annaswamy, Persistent excitation in adaptive systems, International Journal of Control, vol.45, issue.1, pp.127-160, 1987.

A. Sassi, H. Ali, S. Bedoui, K. Abderrahim, and M. Zasadzinski, Design of a functional adaptive observer for bilinear delayed systems, 13th IFAC Workshop on Time Delay Systems, TDS 2016, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01317100

L. A. Xia, P. Marquez, C. H. Zagalak, and . Moog, Analysis of nonlinear time-delay systems using modules over non-commutative rings, Automatica, vol.38, issue.9, pp.1549-1555, 2002.
URL : https://hal.archives-ouvertes.fr/hal-00410031

N. Yegafner, P. Pepe, and M. Dambrine, Input-to state stability of time-delay systems: A link with exponential stability, IEEE Transactions on Automatic Control, vol.53, issue.6, pp.1526-1531, 2008.

N. Yeganefar, P. Pepe, M. Dambrine, and ;. Zhang, Qinghua Zhang. State and parameter estimation in linear systems with delays. working note, IEEE Transactions on Automatic Control, vol.53, issue.3, pp.525-529, 2002.