TY - JOUR AU - Holger Kammeyer TI - Approximating Novikov–Shubin numbers of virtually cyclic coverings JO - Groups, geometry, and dynamics PY - 2017 SP - 1231 EP - 1251 VL - 11 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4171/ggd/427/ DO - 10.4171/ggd/427 ID - 10_4171_ggd_427 ER -