@article{M2AN_1985__19_1_33_0,
     author = {Nguetseng, Gabriel},
     title = {Probl\`emes d'\'ecrans perfor\'es pour l'\'equation de {Laplace}},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {33--63},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {19},
     number = {1},
     year = {1985},
     mrnumber = {813688},
     zbl = {0572.31001},
     language = {fr},
     url = {http://archive.numdam.org/item/M2AN_1985__19_1_33_0/}
}