Kwaśniewski, Bartosz KosmaBartosz KosmaKwaśniewskiMeyer, RalfRalfMeyer2020-12-102020-12-1020180039-3223https://resolver.sub.uni-goettingen.de/purl?gro-2/78856enAperiodicity, topological freeness and pure outerness: from group actions to Fell bundlesjournal_article10.4064/sm8762-5-20171730-6337