@inproceedings{dr.1973on,
title={On colimits of injectives in Grothendieck categories},
author={Dr. Daniel Simson},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203453531622205},
booktitle={Arkiv for Matematik},
volume={12},
number={1},
pages={161-165},
year={1973},
}