%0 Journal Article %A Geveci, Tunc %T On the approximation of the solution of an optimal control problem governed by an elliptic equation %J ESAIM: Mathematical Modelling and Numerical Analysis %D 1979 %P 313-328 %V 13 %N 4 %I Centrale des revues, Dunod-Gauthier-Villars %C Montreuil %U http://geodesic.mathdoc.fr/item/M2AN_1979__13_4_313_0/ %G en %F M2AN_1979__13_4_313_0