1. V. Arnautu, P. Neittaanmäki, Optimal Control from Theory to Computer Programs (Kluwer, Dordrecht, 2003)
2. R. Becker, R. Rannacher, An optimal control approach to error estimation and mesh adaptation, in Acta Numerica 2000, ed. by A. Iserles (Cambridge University Press, Cambridge, 2001), pp. 1–102.
3. R. Becker, B. Vexler, A posteriori error estimation for finite element discretization of parameter identification problems. Numer. Math. 96, 435–459 (2004)
4. R. Becker, H. Kapp, R. Rannacher, Adaptive finite element methods for optimal control of partial differential equations: Basic concept. SIAM J. Control Optim. 39, 113–132 (2000)
5. A. Gaevskaya, R.H.W. Hoppe, Y. Iliash, M. Kieweg, Convergence analysis of an adaptive finite element method for distributed control problems with control constraints, in Control of Coupled Partial Differential Equations, International series of numerical mathematics, vol. 155 (Birkhäuser, Basel, 2007), pp. 47–68