@article{onspectralanalysisofdirectedsigned,
  title = {On Spectral Analysis of Directed Signed Graphs},
  author = {Yuemeng Li and Xintao Wu and Aidong Lu},
  year = {2016},
  eprint = {1612.08102},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1612.08102v1},
}