%0 Journal Article %A Puchkin, Nikita %A Spokoiny, Vladimir %T An adaptive multiclass nearest neighbor classifier %J ESAIM: Probability and Statistics %D 2020 %P 69-99 %V 24 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ps/2019021/ %R 10.1051/ps/2019021 %G en %F PS_2020__24_1_69_0