@inproceedings{lars1985sums,
title={Sums of complemented subspaces in locally convex spaces},
author={Lars Svensson},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203523951055461},
booktitle={Arkiv for Matematik},
volume={25},
number={1},
pages={147-153},
year={1985},
}