@article{RO_1986__20_3_245_0,
     author = {Billionnet, Alain},
     title = {On interval graphs and matrice profiles},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {245--256},
     publisher = {EDP-Sciences},
     volume = {20},
     number = {3},
     year = {1986},
     mrnumber = {872642},
     zbl = {0606.05063},
     language = {en},
     url = {http://www.numdam.org/item/RO_1986__20_3_245_0/}
}