@article{M2AN_1977__11_4_369_0,
     author = {Scheurer, B.},
     title = {Existence et approximation de points selles pour certains probl\`emes non lin\'eaires},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {369--400},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {11},
     number = {4},
     year = {1977},
     mrnumber = {464014},
     zbl = {0371.65025},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1977__11_4_369_0/}
}