@entry{zha-che-nga-yan-hua-17-aa-powflow,
  author = {C Zhang and H Chen and H Ngan and P Yang...},
  title = {A mixed interval power flow analysis under rectangular and polar coordinate system},
  journal = {IEEE Transactions on ...,},
  volume = {},
  number = {},
  pages = {},
  year = 2016,
  month = ,
  doi = {},
  comment = {},
  abstract = {},
  url = {{\url{https://ieeexplore.ieee.org/abstract/document/7497570/?casa_token=LB6PAmmaFkYAAAAA:3LoPamRtX18Sk2Egi3u7vdBRbPP9-Ie3oOBOdtzWVX1V1KHqReI2gP-QOztZr2B_burmx_8F}}},
  quotes = {... It is based on affine arithmetic which is a self-validated numerical analysis and serves to improve the interval results through optimization method. Since no approximation is presumed, ...}
}