@article{adaptivemulticlassnearestneighbor,
  title = {An adaptive multiclass nearest neighbor classifier},
  author = {Nikita Puchkin and Vladimir Spokoiny},
  year = {2018},
  eprint = {1804.02756},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1804.02756v4},
}