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2. On the stable diffeomorphism of homotopy spheres in the stable range, 𝑛<2𝑝;Antonelli, P. L.;Bull. Amer. Math. Soc.,1969
3. M. A. Armstrong, Lectures on the Hauptvermutung according to Lashof and Rothenberg, Institute for Advanced Study, Princeton, N. J., 1968 (mimeographed).
4. Homotopy-everything 𝐻-spaces;Boardman, J. M.;Bull. Amer. Math. Soc.,1968
5. Whitehead products and cohomology operations;Brown, E. H., Jr.;Quart. J. Math. Oxford Ser. (2),1964