@article{Nadaraya_1964,
title={On Estimating Regression},
volume={9},
ISSN={1095-7219},
url={http://dx.doi.org/10.1137/1109020},
DOI={10.1137/1109020},
number={1},
journal={Theory of Probability & Its Applications},
publisher={Society for Industrial & Applied Mathematics (SIAM)},
author={Nadaraya,
E. A.},
year={1964},
month=jan,
pages={141–142} }