@article{CRMATH_2017__355_6_601_0,
     author = {Benali, Benzaghou and Siham, Mokhfi},
     title = {Trace formula for {Witt} vector rings},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {601--606},
     publisher = {Elsevier},
     volume = {355},
     number = {6},
     year = {2017},
     doi = {10.1016/j.crma.2016.11.014},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2016.11.014/}
}