G-Actions on Disks and Permuation Representations. II. Robert Oliver (1977) Mathematische Zeitschrift
Group actions on rational homology spheres Stefano De Michelis (1991) Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni We study the homology of the fixed point set on a rational homology sphere under the action of a finite group.