1. Studies in optimization. II. Optimal temperature gradients in tubular reactors;Aris;Chem. Eng. Sci.,1960
2. “The Optimal Design of Chemical Reactors.”;Aris,1961
3. Analytical and computational aspects of dynamic programming processes of high dimension;Beckwith,1959
4. On some variational problems occurring in the theory of dynamic programming;Bellman;Proc. Natl. Acad. Sci. U.S.,1953
5. A survey of the mathematical theory of time-lag, retarded control, and hereditary processes;Bellman,1954