@misc{koumou2016risk,
  title={Risk reduction and Diversification within Markowitz's Mean-Variance Model: Theoretical Revisit},
  author={Gilles Boevi Koumou},
  year={2016},
  eprint={1608.05024},
  archivePrefix={arXiv},
  primaryClass={q-fin.PM},
  url={https://arxiv.org/abs/1608.05024}
}