@article{auniversaldensitymatrixfunctionalfrom,
  title = {A Universal Density Matrix Functional from Molecular Orbital-Based Machine Learning: Transferability across Organic Molecules},
  author = {Lixue Cheng and Matthew Welborn and Anders S. Christensen and Thomas F. Miller III},
  year = {2019},
  eprint = {1901.03309},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1901.03309v3},
}