Bases of primitive non-powerful signed symmetric digraphs with loops

Yubin Gao, Yihua Huang, Yanling Shao. Bases of primitive non-powerful signed symmetric digraphs with loops. Ars Comb., 90, 2009.

@article{GaoHS09,
  title = {Bases of primitive non-powerful signed symmetric digraphs with loops},
  author = {Yubin Gao and Yihua Huang and Yanling Shao},
  year = {2009},
  researchr = {https://researchr.org/publication/GaoHS09},
  cites = {0},
  citedby = {0},
  journal = {Ars Comb.},
  volume = {90},
}