@article{RSMUP_2019__142__93_0, author = {Deninger, Christopher and Mellit, Anton}, title = {$\mathbb ZR$ and rings of {Witt} vectors $W_S(R)$}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, pages = {93--102}, publisher = {European Mathematical Society Publishing House}, address = {Zuerich, Switzerland}, volume = {142}, year = {2019}, doi = {10.4171/RSMUP/32}, mrnumber = {4032806}, zbl = {1436.13040}, url = {http://archive.numdam.org/articles/10.4171/RSMUP/32/} }