%0 Journal Article %A Deninger, Christopher %A Mellit, Anton %T $\mathbb ZR$ and rings of Witt vectors $W_S(R)$ %J Rendiconti del Seminario Matematico della Università di Padova %D 2019 %P 93-102 %V 142 %I European Mathematical Society Publishing House %C Zuerich, Switzerland %U http://www.numdam.org/articles/10.4171/RSMUP/32/ %R 10.4171/RSMUP/32 %F RSMUP_2019__142__93_0