1. Araki, S.: Cohomology modulo 2 of the compact exceptional groups $$E_6$$ and $$E_7$$. J. Math. Osaka City Univ. 12, 43–65 (1961)
2. Berstein, I., Ganea, T.: Homotopical nilpotency. Il. J. Math. 5, 99–130 (1961)
3. Bott, R.: A note on the Samelson products in the classical groups. Comment. Math. Helv. 34, 249–256 (1960)
4. Browder, W., Thomas, E.: On the projective plane of an $$H$$-space. Il. J. Math. 7(3), 492–502 (1963)
5. Borel, A., Hirzebruch, F.: Characteristic classes and homogeneous spaces, I. Am. J. Math. 80, 458–538 (1958)