Stabilization of linear sampled-data systems by a time-delay feedback control. García, F.Ricardo; Aguirre, Baltazar; Suárez, Rodolfo — 2008 Mathematical Problems in Engineering
The boundary crossing theorem and the maximal stability interval. López-Renteria, Jorge-Antonio; Aguirre-Hernández, Baltazar; Verduzco, Fernando — 2011 Mathematical Problems in Engineering