@inproceedings{a.2021multiplication,
title={Multiplication in Sobolev spaces, revisited},
author={A. Behzadan, and M. Holst},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220311110454645923961},
booktitle={Arkiv for Matematik},
volume={59},
number={2},
pages={275-306},
year={2021},
}

A. Behzadan, and M. Holst. Multiplication in Sobolev spaces, revisited. 2021. Vol. 59. In Arkiv for Matematik. pp.275-306. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220311110454645923961.