N. T. Bailey, The mathematical theory of infectious diseases and its applications, 1975.

R. M. Anderson, R. M. May, and B. Anderson, Infectious diseases of humans: dynamics and control, 1992.

V. Capasso, Mathematical structures of epidemic systems, 1993.
DOI : 10.1007/978-3-540-70514-7

M. J. Keeling and P. Rohani, Modeling infectious diseases in humans and animals, 2008.

Y. A. Kuznetsov and C. Piccardi, Bifurcation analysis of periodic SEIR and SIR epidemic models, Journal of Mathematical Biology, vol.17, issue.2, pp.109-121, 1994.
DOI : 10.1007/BF00163027

P. Bliman and B. D. Barros, Interval Observers for SIR Epidemic Models Subject to Uncertain Seasonality, Positive Systems, ser. Lecture Notes in Control and Information Sciences, Filippo Cacace et al, 2017.
DOI : 10.1007/BF00163027

URL : https://hal.archives-ouvertes.fr/hal-01567474

T. Fossen and H. Nijmeijer, New Directions in Nonlinear Observer Design, 1999.

G. Besançon and E. , Nonlinear Observers and Applications, ser. Lecture Notes in Control and Information Sciences, 2007.

H. Smith, Monotone dynamical systems, Providence: AMS, vol.41, 1995.
DOI : 10.1090/surv/041/01

W. Haddad and V. Chellaboina, Stability theory for nonnegative and compartmental dynamical systems with time delay, Systems & Control Letters, vol.51, issue.5, pp.355-361, 2004.
DOI : 10.1016/j.sysconle.2003.09.006

E. Sontag, On the Input-to-State Stability Property, European Journal of Control, vol.1, issue.1, pp.24-36, 1995.
DOI : 10.1016/S0947-3580(95)70005-X

S. Dashkovskiy, D. Efimov, and E. Sontag, Input to state stability and allied system properties, Automation and Remote Control, vol.4, issue.8, pp.1579-1614, 2011.
DOI : 10.1007/978-94-009-0193-3

URL : https://hal.archives-ouvertes.fr/hal-00639491

S. Dashkovskiy, B. S. Rüffer, and F. R. Wirth, An ISS small gain theorem for general networks, Mathematics of Control, Signals, and Systems, vol.43, issue.7, pp.93-122, 2007.
DOI : 10.1007/978-1-4684-9362-7

URL : http://arxiv.org/pdf/math/0506434

D. Efimov and A. Fradkov, Design of impulsive adaptive observers for improvement of persistency of excitation, International Journal of Adaptive Control and Signal Processing, vol.59, issue.2, pp.765-782, 2015.
DOI : 10.1080/00207179408923090

URL : https://hal.archives-ouvertes.fr/hal-01016332