@article{RO_1997__31_2_107_0,
     author = {Punnen, Abraham P.},
     title = {On locating a single path-like facility in a general graph},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {107--115},
     publisher = {EDP-Sciences},
     volume = {31},
     number = {2},
     year = {1997},
     mrnumber = {1452338},
     zbl = {0871.68102},
     language = {en},
     url = {http://archive.numdam.org/item/RO_1997__31_2_107_0/}
}