@article{RO_1969__3_3_113_0,
     author = {Witowski, C.},
     title = {Probl\`emes plaisans et d\'electables},
     journal = {Revue fran\c{c}aise d'informatique et de recherche op\'erationnelle. S\'erie verte},
     pages = {113--113},
     publisher = {EDP-Sciences},
     volume = {3},
     number = {V3},
     year = {1969},
     language = {fr},
     url = {http://www.numdam.org/item/RO_1969__3_3_113_0/}
}