1. Arhangel’skii A. V.,A general conception of splittability of topological spaces, Abstracts Tirasp, Symp. (1985), Štiinca Kišinev, (1985), 8–10 (in Russian).
2. Arhangel’skii A. V.,Some new trends in the theory of continuous mappings, In: Continuous functions a topological spaces, LGU, Riga (1986), 5–35 (in Russian).
3. Arhangel’skii A. V.,The general concept of a cleavability of topologiacal space, Topology Appl.,44 (1992), 27–36.
4. Arhangel’skii A. V.,Cleavability over reals, Topology Appl.,48 (1992), 163–178.
5. Arhangel’skii A. V.,A survey on cleavability, to appear.