Optimal Guidance for Quasi-planar Lunar Ascent. - David G. Hull (J. Optim. Theory Appl., 2011)

50 Years of JOTA. - Franco Giannessi; David G. Hull (J. Optim. Theory Appl., 2017)

On the Definition of a Minimum in Parameter Optimization. - David G. Hull (J. Optim. Theory Appl., 2017)

Extension of the Optimality Conditions for Unconstrained Parameter Optimization Problems Where the Standard Conditions Fail. - David G. Hull (J. Optim. Theory Appl., 2019)

Finding an Envelope is an Optimization Problem. - David G. Hull (J. Optim. Theory Appl., 2020)