BibTeX record journals/dm/Liu20

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@article{DBLP:journals/dm/Liu20,
  author       = {Yue Liu},
  title        = {Forbidden structures for ray nonsingularity among cycle tree matrices
                  without positive cycles},
  journal      = {Discret. Math.},
  volume       = {343},
  number       = {7},
  pages        = {111889},
  year         = {2020},
  url          = {https://doi.org/10.1016/j.disc.2020.111889},
  doi          = {10.1016/J.DISC.2020.111889},
  timestamp    = {Mon, 20 Jul 2020 16:00:02 +0200},
  biburl       = {https://dblp.org/rec/journals/dm/Liu20.bib},
  bibsource    = {dblp computer science bibliography, https://dblp.org}
}
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