@misc{RO_1972__6_2_104_0,
     title = {Addendum},
     journal = {Revue fran\c{c}aise d'automatique, informatique, recherche op\'erationnelle. Recherche op\'erationnelle},
     pages = {104--104},
     publisher = {EDP-Sciences},
     volume = {6},
     number = {V2},
     year = {1972},
     language = {en},
     url = {http://www.numdam.org/item/RO_1972__6_2_104_0/}
}