@ARTICLE{NicPRE20,
  author = {Kim A. Nicoli and Shinichi Nakajima and Nils Strodthoff and Wojciech Samek and Klaus-Robert M{\"u}ller and Pan Kessel},
  title = {Asymptotically Unbiased Estimation of Physical Observables with Neural Samplers},
  journal = {Physical Review E},
  year = {2020},
  volume = {101},
  number = {2},
  pages = {023304},
  doi = {10.1103/PhysRevE.101.023304},
  url = {https://doi.org/10.1103/PhysRevE.101.023304}
}