The Hauptvermutung for C ∞ homeomorphisms II. A proof valid for open 4-manifolds M. G. Scharlemann, L. C. Siebenmann (1974) Compositio Mathematica
The homeomorphism group of a three-dimensional polyhedron is locally contractible Marianne Brown (1976) Colloquium Mathematicae
The Signature Defect and the Homotopy of BPL and PL/O David Frank (1973) Commentarii mathematici Helvetici
The Topological-Euclidean Space Form Problem. F.T. Farell, W.C. Hsiang (1978) Inventiones mathematicae