1. J. BORGGAARD, J. BURNS, E. CLIFF and M. GUNZBURGER, Sensitivity Calculations for a 2D, Inviscid Supersonic Forebody Problem, in Identification and Control of Systems Governed by Partial Differential Equations, H T Banks, R Fabiano, K Ito, editors, SIAM Publications, 1993.
2. J. BURKARDT and J. PETERSON, Control of Steady Incompressible 2D Channel Flow, Flow Control, Proceedings of the IMA, Volume 68, Springer Verlag, New York, to appear 1995.
3. C. DEBOOR, A Practical Guide to Splines, Springer Verlag, New York, 1978.
4. D. GAY, Algorithm 611, Subroutines for Unconstrained Minimization Using a Model/Trust Region Approach, ACM Transactions on Mathematical Software, Volume 9, Number 4, December 1983, pages 503 – 524.
5. M. GUNZBURGER and J. PETERSON, On Conforming Finite Element Methods for the Inhomogeneous Stationary Navier-Stokes Equations, Numerische Mathematik, Volume 42, pages 173–194.