@misc{indiciae3c6a6bc1785d,
  title = {Switching portfolios.},
  author = {Y Singer},
  year = {1997},
  doi = {10.1142/s0129065797000434},
  url = {https://pubmed.ncbi.nlm.nih.gov/9730020/},
  note = {Source identifier: 9730020}
}