@Article{ BeuPechWachs12, title = {Boundary concentrated finite elements for optimal boundary control problems of elliptic PDEs}, author = {Beuchler, Sven and Pechstein, Clemens and Wachsmuth, Daniel}, year = {2012}, journal = {Computational Optimization and Applications}, volume = {51}, number = {2}, pages = {883-908}, keywords = {Optimal boundary control; Boundary concentrated finite element method; Discretization error estimates}, url = {http://EconPapers.repec.org/RePEc:spr:coopap:v:51:y:2012:i:2:p:883-908} }