@entry{abo-els-19-aa,
  author = {AA Abou El-Ela and RA El-Sehiemy...},
  title = {Minimisation of voltage fluctuation resulted from renewable energy sources uncertainty in distribution systems},
  journal = {IET Generation ...,},
  year = 2019,
  url = {{\url{https://ietresearch.onlinelibrary.wiley.com/doi/abs/10.1049/iet-gtd.2018.5136}}},
  quotes = {... A complex affine arithmetic based load flow was presented in [21] to study the impact of uncertainty in the unbalanced distribution systems. ...}
}