G-actions and the Fundamental Group. William Browder, Wu-Chung Hsiang (1981/1982) Inventiones mathematicae
Generalized Flag Manifolds As Framed Boundaries. Harsh V. Pittie, Smith Larry (1975) Mathematische Zeitschrift
Geometric Modules over the Burnside Ring. Tammo tom Dieck, Ted Petrie (1978) Inventiones mathematicae
Group Actions with Inequivalent Representations at Fixed Points. Krzysztof Fawalowski (1984) Mathematische Zeitschrift