G -variétés topologiques et G -microfibrés Jean-Yves Le Dimet (1976) Cahiers de Topologie et Géométrie Différentielle Catégoriques
G-ANR's with homotopy trivial fixed point sets Sergey A. Antonyan (2007) Fundamenta Mathematicae Let G be a compact group and X a G-ANR. Then X is a G-AR iff the H-fixed point set X H is homotopy trivial for each closed subgroup H ⊂ G.
Generalized manifolds ANR's and AR's and null decompositions of manifolds S. Singh (1983) Fundamenta Mathematicae