%0 Journal Article %A Matsuda, Shigeki %T $\pi$-exponentials for generalized twisted ramified Witt vectors %J Rendiconti del Seminario Matematico della Università di Padova %D 2019 %P 145-179 %V 142 %I European Mathematical Society Publishing House %C Zuerich, Switzerland %U http://www.numdam.org/articles/10.4171/RSMUP/35/ %R 10.4171/RSMUP/35 %F RSMUP_2019__142__145_0