%0 Journal Article %A K. A. Afonin %A D. V. Treschev %T Entropy of a~unitary operator on $L^2(\pmb{\mathbb{T}}^n)$ %J Sbornik. Mathematics %D 2022 %P 925-980 %V 213 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2022_213_7_a1/ %G en %F SM_2022_213_7_a1