%0 Journal Article %A Bartels, Sören %A Milicevic, Marijo %T Primal-dual gap estimators for a posteriori error analysis of nonsmooth minimization problems %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2020 %P 1635-1660 %V 54 %N 5 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an/2019074/ %R 10.1051/m2an/2019074 %G en %F M2AN_2020__54_5_1635_0