@article{analysisofmarketefficiencyinmainstock,
  title = {Analysis of market efficiency in main stock markets: using Karman-Filter as an approach},
  author = {Beier Liu and Haiyun Zhu},
  year = {2024},
  eprint = {2404.16449},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2404.16449v1},
}