@article{10_21136_CMJ_2019_0644_16,
     author = {Bessouf, Ouahiba and Khelladi, Abdelkader and Zaslavsky, Thomas},
     title = {Transitive closure and transitive reduction in bidirected graphs},
     journal = {Czechoslovak Mathematical Journal},
     pages = {295--315},
     publisher = {mathdoc},
     volume = {69},
     number = {2},
     year = {2019},
     doi = {10.21136/CMJ.2019.0644-16},
     mrnumber = {3959945},
     zbl = {07088785},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2019.0644-16/}
}