@article{convergenceanalysisofgradientemformulti,
  title = {Convergence Analysis of Gradient EM for Multi-component Gaussian Mixture},
  author = {Bowei Yan and Mingzhang Yin and Purnamrita Sarkar},
  year = {2017},
  eprint = {1705.08530},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1705.08530v2},
}