%0 Journal Article %A Otárola, Enrique %T A piecewise linear FEM for an optimal control problem of fractional operators: error analysis on curved domains %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2017 %P 1473-1500 %V 51 %N 4 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/m2an/2016065/ %R 10.1051/m2an/2016065 %G en %F M2AN_2017__51_4_1473_0