@inproceedings{torsten1983on,
title={On the multiplicative properties of the de rham-witt complex. II.},
author={Torsten Ekedahl},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203519172829424},
booktitle={Arkiv for Matematik},
volume={23},
number={1},
pages={53-102},
year={1983},
}
Torsten Ekedahl. On the multiplicative properties of the de rham-witt complex. II.. 1983. Vol. 23. In Arkiv for Matematik. pp.53-102. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203519172829424.