@article{RO_1983__17_3_261_0,
     author = {Badard, R.},
     title = {Sym\'etrie dans le coeur d'une \'economie al\'eatoire},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {261--283},
     publisher = {EDP-Sciences},
     volume = {17},
     number = {3},
     year = {1983},
     mrnumber = {727265},
     zbl = {0525.90024},
     language = {fr},
     url = {http://www.numdam.org/item/RO_1983__17_3_261_0/}
}