@article{anexpectationmaximizationframeworkfor,
  title = {An Expectation Maximization Framework for Yule-Simon Preferential Attachment Models},
  author = {Lucas Roberts and Denisa Roberts},
  year = {2017},
  eprint = {1710.08511},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1710.08511v4},
}