%0 Journal Article %A Kärcher, Mark %A Grepl, Martin A. %T A Posteriori Error Estimation for Reduced Order Solutions of Parametrized Parabolic Optimal Control Problems %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2014 %P 1615-1638 %V 48 %N 6 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an/2014012/ %R 10.1051/m2an/2014012 %G en %F M2AN_2014__48_6_1615_0