1. On root systems and an infinitesimal classification of irreducible symmetric spaces;Araki, Shôrô;J. Math. Osaka City Univ.,1962
2. On Bott-Samelson 𝐾-cycles associated with symmetric spaces;Araki, Shôrô;J. Math. Osaka City Univ.,1962
3. The space of loops on a Lie group;Bott, Raoul;Michigan Math. J.,1958
4. The stable homotopy of the classical groups;Bott, Raoul;Ann. of Math. (2),1959
5. An application of the Morse theory to the topology of Lie-groups;Bott, Raoul;Bull. Soc. Math. France,1956