中国科学院数学与系统科学研究院期刊网
AMS
On Consistency of the Nearest Neighbor Estimator of the Density Function and Its Applications
Yi WU, Xue Jun WANG
Acta Mathematica Sinica . 2019, (5): 703 -720 .  DOI: 10.1007/s10114-019-8099-9