1. P. S. Aleksandrov and B. A. Pasynkov, An Introduction to Dimension Theory. An Introduction to the Theory of Topological Spaces and General Dimension Theory [in Russian], Nauka, Moscow (1973).
2. A. V. Arkhangel'skii, “On mappings related to topological groups,” Dokl. Akad. Nauk SSSR, 181, No.6, 1303–1306 (1968).
3. A. V. Arkhangel'skii, Topological Spaces and Continuous Mappings. Remarks on Topological Groups [in Russian], Izd. Mosk. Univ., Moscow (1969).
4. A. V. Arkhangel'skii, “On relations between invariants of topological groups and their subspaces,” Usp. Mat. Nauk, 35, No.3, 3–22 (1980).
5. A. V. Arkhangel'skii, “Classes of topological groups,” Usp. Mat. Nauk, 36, No.3, 127–146 (1981).