@article{researchandapplicationoftimeseries,
  title = {Research and application of time series algorithms in centralized purchasing data},
  author = {Yun Bai and Suling Jia and Xixi Li},
  year = {2019},
  eprint = {1911.00449},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.00449v1},
}