1. Mappings related to topological groups;Arhangel'skiǐ;Soviet Math. Dokl.,1968
2. Topological Spaces and Mappings. Remarks on Topological Groups;Arhangel'skiǐ,1969
3. Structure and classification of topological spaces and cardinal invariants;Arhangel'skiǐ;Russian Math. Surveys,1978
4. Cardinal invariants of topological groups. Embeddings and condensations;Arhangel'skiǐ;Soviet Math. Dokl.,1979