@article{Parzen_1962,
title={On Estimation of a Probability Density Function and Mode},
volume={33},
ISSN={0003-4851},
url={http://dx.doi.org/10.1214/aoms/1177704472},
DOI={10.1214/aoms/1177704472},
number={3},
journal={The Annals of Mathematical Statistics},
publisher={Institute of Mathematical Statistics},
author={Parzen,
Emanuel},
year={1962},
month=sep,
pages={1065–1076} }