@article{M2AN_1985__19_2_213_0,
     author = {Delahaye, Jean-Paul},
     title = {Optimisation impossible},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {213--233},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {19},
     number = {2},
     year = {1985},
     mrnumber = {802594},
     zbl = {0584.65036},
     language = {fr},
     url = {http://archive.numdam.org/item/M2AN_1985__19_2_213_0/}
}