@inproceedings{gert1972endomorphisms,
title={Endomorphisms of finetely generated projective modules over a commutative ring},
author={Gert Almkvist},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203452481517196},
booktitle={Arkiv for Matematik},
volume={11},
number={1},
pages={263-301},
year={1972},
}
Gert Almkvist. Endomorphisms of finetely generated projective modules over a commutative ring. 1972. Vol. 11. In Arkiv for Matematik. pp.263-301. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203452481517196.