Nonstationary discrete-time deterministic and stochastic control systems with infinite horizon. - Xianping Guo; Adrián Hernández-del-Valle; Onésimo Hernández-Lerma (Int. J. Control, 2010)

Nonstationary discrete-time deterministic and stochastic control systems: Bounded and unbounded cases. - Xianping Guo; Adrián Hernández-del-Valle; Onésimo Hernández-Lerma (Syst. Control. Lett., 2011)

First Passage Problems for Nonstationary Discrete-Time Stochastic Control Systems. - Xianping Guo; Adrián Hernández-del-Valle; Onésimo Hernández-Lerma (Eur. J. Control, 2012)