@article{PS_2020__24_1_69_0,
     author = {Puchkin, Nikita and Spokoiny, Vladimir},
     title = {An adaptive multiclass nearest neighbor classifier},
     journal = {ESAIM: Probability and Statistics},
     pages = {69--99},
     publisher = {EDP-Sciences},
     volume = {24},
     year = {2020},
     doi = {10.1051/ps/2019021},
     mrnumber = {4069295},
     zbl = {1440.62250},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ps/2019021/}
}