@article{M2AN_1979__13_4_313_0,
     author = {Geveci, Tunc},
     title = {On the approximation of the solution of an optimal control problem governed by an elliptic equation},
     journal = {RAIRO. Analyse num\'erique},
     pages = {313--328},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {13},
     number = {4},
     year = {1979},
     mrnumber = {555382},
     zbl = {0426.65067},
     language = {en},
     url = {http://www.numdam.org/item/M2AN_1979__13_4_313_0/}
}