%0 Journal Article %A Ravindran, Sivaguru S. %T Finite element approximation of Dirichlet control using boundary penalty method for unsteady Navier–Stokes equations %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2017 %P 825-849 %V 51 %N 3 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an/2016040/ %R 10.1051/m2an/2016040 %G en %F M2AN_2017__51_3_825_0