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Archbold, R. J.; Spielberg, J. S. Topologically free actions and ideals in discrete \(C^*\)-dynamical systems. (English) Zbl 0799.46076 Proc. Edinb. Math. Soc., II. Ser. 37, No. 1, 119-124 (1994). Reviewer: S.Sankaran (London) MSC: 46L55 × Cite Format Result Cite Review PDF Full Text: DOI