@article{beard1996,
  author = {Beard, B. B. and Wiese, U.-J.},
  title = {{Simulations of Discrete Quantum Systems in Continuous Euclidean Time}},
  journal = {Physical Review Letters},
  volume = {77},
  number = {25},
  pages = {5130--5133},
  year = {1996},
  doi = {10.1103/PhysRevLett.77.5130}
}