@article{RO_1971__5_3_83_0,
     author = {Thiriez, Herv\'e},
     title = {The set covering problem : a group theoretic approach},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {83--103},
     publisher = {EDP-Sciences},
     volume = {5},
     number = {V3},
     year = {1971},
     zbl = {0266.90039},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RO_1971__5_3_83_0/}
}