1. Berestovskii V. N., “Homogeneous manifolds with intrinsic metric. I, II,” Sibirsk. Mat. Zh., I: 29, No. 6, 17–29 (1988). II: 30, No. 2, 14–28 (1989).
2. Alexandrov A. D., Intrinsic Geometry of Convex Surfaces [in Russian], Gostekhizdat, Moscow; Leningrad (1948).
3. Rund H., The Differential Geometry of Finsler Spaces, Springer, Berlin (1959).
4. Berestovskii V. N., “Homogeneous Busemann G-spaces,” Sibirsk. Mat. Zh., 23, No. 2, 3–15 (1982).
5. Berestovskii V. N., “Compact homogeneous manifolds with integrable invariant distributions, and scalar curvature,” Sb.: Math., 186, No. 7, 941–950 (1995).