@inproceedings{kathryn2002multipliers,
title={Multipliers of spherical harmonics and energy of measures on the sphere},
author={Kathryn E. Hare, and Maria Roginskaya},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203607447689814},
booktitle={Arkiv for Matematik},
volume={41},
number={2},
pages={281-294},
year={2002},
}

Kathryn E. Hare, and Maria Roginskaya. Multipliers of spherical harmonics and energy of measures on the sphere. 2002. Vol. 41. In Arkiv for Matematik. pp.281-294. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203607447689814.