@article{M2AN_1983__17_3_293_0,
     author = {Lefebvre, Odile},
     title = {Param\'etrisation et approximation d'un probl\`eme non convexe ; application \`a un probl\`eme de gestion de portefeuille},
     journal = {RAIRO. Analyse num\'erique},
     pages = {293--309},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {17},
     number = {3},
     year = {1983},
     mrnumber = {702139},
     zbl = {0517.90070},
     language = {fr},
     url = {http://www.numdam.org/item/M2AN_1983__17_3_293_0/}
}