%0 Journal Article %A Holger Kammeyer %T Approximating Novikov–Shubin numbers of virtually cyclic coverings %J Groups, geometry, and dynamics %D 2017 %P 1231-1251 %V 11 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4171/ggd/427/ %R 10.4171/ggd/427 %F 10_4171_ggd_427