Warody Lombardi, Silviu-Iulian Niculescu, Sorin Olaru. Polytopic Discrete-Time Models for Systems with Time-Varying Delays.
Time Delay Systems: Methods, Applications and New Trends, Springer, pp.277-288, 2012, Lecture Notes in Control and Information Sciences. Volume 423,
⟨10.1007/978-3-642-25221-1_21⟩.
⟨hal-00750895⟩ 
