@article{diffusionapproximationsforexpertopinions,
  title = {Diffusion Approximations for Expert Opinions in a Financial Market with Gaussian Drift},
  author = {Jörn Sass and Dorothee Westphal and Ralf Wunderlich},
  year = {2018},
  eprint = {1807.00568},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1807.00568v4},
}