@inproceedings{lars1960estimates, title={Estimates for translation invariant operators in$L$^{p}spaces}, author={Lars Hörmander}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203155029250908}, booktitle={Acta Mathematica}, volume={104}, number={1}, pages={93-140}, year={1960}, }