@article{avisibilitygraphaveragingaggregation,
  title = {A Visibility Graph Averaging Aggregation Operator},
  author = {Shiyu Chen and Yong Hu and Sankaran Mahadevan and Yong Deng},
  year = {2013},
  eprint = {1311.4166},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1311.4166v1},
}