1. P. S. Alexandroff, Introduction to Homological Dimension Theory and General Combinatorial Topology (Nauka, Moscow, 1975) [in Russian].
2. P. S. Alexandroff and B. A. Pasynkov, Introduction to Dimension Theory: An Introduction to the Theory of Topological Spaces and the General Theory of Dimension (Nauka, Moscow, 1973) [in Russian].
3. A. D. Alexandrov, Intrinsic Geometry of Convex Surfaces (OGIZ, Moscow-Leningrad, 1948) [in Russian].
4. V. N. Berestovskiĭ, “Pathologies in Alexandrov spaces with curvature bounded above,” Siberian Adv. Math. 12(4), 1–18 (2002).
5. V. N. Berestovskiĭ, Homogeneous Spaces with Intrinsic Metric, D. Sc. Thesis (Sobolev Institute of Mathematics, Novosibirsk, 1990).