E. S. Armstrong

A combined Newton-Raphson and gradient parameter correction technique for solution of optimal-control problems

E. S. Armstrong, 1968 .

A method for computing extremal maximum-range thrust-limited rocket trajectories with application to lunar transport

A. G. Childs, E. S. Armstrong, A. Markos, 1970 .

A Use of Lighthill's Generalized Functions in the Solution of Optimal Control Problems

E. S. Armstrong, 1967 .

Evolution of Stratospheric Chemistry in the Saturn Storm Beacon Region.

L. Fletcher, P. Irwin, B. Hesman, 2015, Icarus.