@Misc{ 
  YZh23,
  author = { Zhang, P. Zhao, H. Zhou, Y. },
  title = { THE OPTIMAL REINSURANCE-INVESTMENT PROBLEM CONSIDERING THE JOINT INTERESTS OF AN INSURER AND A REINSURER UNDER HARA UTILITY },
  journal = {  },
  year = { 2023 },
  doi = { https://www.springer.com/journal/10473 },
  volume = { 43 },
  number = { 1 },
  pages = { 28 },
  URL = { http://cvgmt.sns.it/paper/5795/ },
  note = { cvgmt preprint}
}