@inproceedings{arne1997space-time, title={Space-time scattering for the Schrödinger equation}, author={Arne Jensen}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203554319259711}, booktitle={Arkiv for Matematik}, volume={36}, number={2}, pages={363-377}, year={1997}, }