@article{RO_1997__31_2_203_0,
     author = {Edmonds, J. and Maurras, J.-F.},
     title = {Note sur les $Q$-matrices {d{\textquoteright}Edmonds}},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {203--209},
     publisher = {EDP-Sciences},
     volume = {31},
     number = {2},
     year = {1997},
     mrnumber = {1452342},
     zbl = {0872.90058},
     language = {fr},
     url = {http://archive.numdam.org/item/RO_1997__31_2_203_0/}
}