@Misc{SCI:Xu2021c,
  author =    "Y. Xu and A. Narayan",
  title =     "Budget-limited distribution learning in
              multifidelity problems",
  subtitle =  "arXiv preprint arXiv:2105.04599",
  year =      "2021",
  url =       "http://www.sci.utah.edu/publications/Xu2021c/2105.04599.pdf",
}