@misc{RO_1970__4_2_113_0,
     title = {Probl\`emes plaisans et d\'electables},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {113--115},
     publisher = {EDP-Sciences},
     volume = {4},
     number = {V2},
     year = {1970},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/RO_1970__4_2_113_0/}
}