@article{JMLR:v20:18-618,
  author  = {Vasileios Maroulas and Joshua L Mike and Christopher Oballe},
  title   = {Nonparametric Estimation of Probability Density Functions of Random Persistence Diagrams},
  journal = {Journal of Machine Learning Research},
  year    = {2019},
  volume  = {20},
  number  = {151},
  pages   = {1--49},
  url     = {http://jmlr.org/papers/v20/18-618.html}
}