@article{DMTCS_2012_14_2_a2,
     author = {Okamoto, Yoshio and Otachi, Yota and Uehara, Ryuhei},
     title = {On bipartite powers of bigraphs},
     journal = {Discrete mathematics & theoretical computer science},
     year = {2012},
     volume = {14},
     number = {2},
     doi = {10.46298/dmtcs.576},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.576/}
}