@article{RO_2018__52_2_351_0,
     author = {Bessouf, Ouahiba and Khelladi, Abdelkader},
     title = {New concept of connection in bidirected graphs},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {351--357},
     publisher = {EDP-Sciences},
     volume = {52},
     number = {2},
     year = {2018},
     doi = {10.1051/ro/2017053},
     zbl = {1398.05119},
     mrnumber = {3817469},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ro/2017053/}
}