M. Gugat, M. Herty, A. Klar, G. Leugering, und V. Schleper. Constrained optimization and optimal control for partial differential equations, Volume 160 von International series of numerical mathematics, Seite 123-146. Birkhäuser, (2012)
V. Schleper, M. Gugat, M. Herty, A. Klar, und G. Leugering. Constrained Optimization and Optimal Control for Partial Differential
Equations, Volume 160 von International Series of Numerical Mathematics, Birkh�user, (2012)