%0 Journal Article %A Merino, Pedro %A Neitzel, Ira %A Tröltzsch, Fredi %T Error estimates for the finite element discretization of semi-infinite elliptic optimal control problems %J Discussiones Mathematicae. Differential Inclusions, Control and Optimization %D 2010 %P 221-236 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMDICO_2010_30_2_a3/ %G en %F DMDICO_2010_30_2_a3