A. Seuret, Commande et observation des systèmessystèmes`systèmesà retard variables, théorie et applications, pp.57-94, 2006.

E. Fridman, New Lyapunov???Krasovskii functionals for stability of linear retarded and neutral type systems, Systems & Control Letters, vol.43, issue.4, pp.309-319, 2001.
DOI : 10.1016/S0167-6911(01)00114-1

M. B. Saldivar, S. Mondié, and J. J. Loiseau, Reducing stick-slip oscillations in oilwell drillstrings, 2009 6th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE), pp.1-6, 2009.
DOI : 10.1109/ICEEE.2009.5393310

M. B. Saldivar, S. Mondié, J. J. Loiseau, and V. Rasvan, Stick-slip Oscillations in Oillwell Drilstrings: Distributed Parameter and Neutral Type Retarded Model Approaches, IFAC Proceedings Volumes, vol.44, issue.1
DOI : 10.3182/20110828-6-IT-1002.00084

E. Navarro and D. Cortés, Sliding-mode of a multi-DOF oilwell drillstring with stick-slip oscillations, Proceedings of the, 2007.

E. Navarro and R. Suárez, Practical approach to modelling and controlling stick-slip oscillations in oilwell drillstrings, Proceedings of the 2004 IEEE International Conference on Control Applications, pp.1454-1460

V. Suplin, E. Fridman, and U. Shaked, H ? control of linear uncertain time-delay systems -a projection approach, Proceedings of the IEEE Conference on Decision and Control, 2004.