@article{RO_2021__55_2_969_0,
     author = {Wang, Sufang and Zhang, Wei},
     title = {On $k$-orthogonal factorizations in networks},
     journal = {RAIRO. Operations Research},
     pages = {969--977},
     year = {2021},
     publisher = {EDP-Sciences},
     volume = {55},
     number = {2},
     doi = {10.1051/ro/2021037},
     mrnumber = {4253784},
     zbl = {1468.05240},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/ro/2021037/}
}