1. “The Mathematical Theory of Optimal Processes.”;PONTRYAGIN,1962
2. A time optimal control problem for systems described by differential-difference equations.”;OGUZTORELI;SIAM J. Control,1963
3. Optimal control for hereditary processes;FRIEDMAN;Arch. Rational Mech. Anal.,1964
4. “Time-Lag Control Systems.”;OGUZTÖRELI,1966
5. R. R. BATE, Optimal control of systems with transport lag. Tech. Rept. No. 160. Div. of Eng. Mech., Stanford Univ., Stanford, California, July 1966. Also available from University Microfilms, Order No. 67-4317.