@article{multipopulationmortalitymodellingand,
  title = {Multipopulation mortality modelling and forecasting: The multivariate functional principal component with time weightings approaches},
  author = {Ka Kin Lam and Bo wang},
  year = {2021},
  eprint = {2102.09612},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.09612v1},
}