@misc{RO_1980__14_1_95_0,
     title = {Probl\`emes plaisans et d\'electables},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {95--96},
     publisher = {EDP-Sciences},
     volume = {14},
     number = {1},
     year = {1980},
     language = {fr},
     url = {http://www.numdam.org/item/RO_1980__14_1_95_0/}
}