@article{RO_1971__5_2_13_0,
     author = {Stengel, J.},
     title = {Les mod\`eles d'entreprise},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {13--29},
     publisher = {EDP-Sciences},
     volume = {5},
     number = {V2},
     year = {1971},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/RO_1971__5_2_13_0/}
}