1. J. F. Adams, Lectures on Lie Groups (W. A. Benjamin, Inc., New York-Amsterdam, 1969).
2. P. D. Andreev, “Semilinear metric semilattices on R-trees,” Russian Math. 51, 1 (2007) [Izv. VUZ Mat., no. 6, 3 (2007)].
3. V. N. Berestovskiĭ, “Homogeneous Busemann G-spaces,” Siberian Math. J. 23, 141 (1982) [Sibirsk. Mat. Zh. 23, 3 (1982)].
4. V. N. Berestovskiĭ, “Structure of homogeneous locally compact spaces with intrinsicmetric,” Siberian. Math. J. 30, 16 (1989) [Sibirsk. Mat. Zh. 30, 23 (1989)].
5. V. N. Berestovskiĭ, “Similarly homogeneous locally complete spaces with an intrinsicmetric,” Russian Math. 48, 1 (2004) [Izv. VUZ Mat., no. 11, 3 (2004)].