1. On the cardinality of bicompacta satisfying the first axiom of countability;Arhangel'slǐi;Soviet Math. Dokl.,1969
2. Structure and classification of topological spaces and cardinal invariants;Arhangel'skǐi;Russian Math. Surveys,1978
3. Fundamentals of General Topology: Problems and Exercises;Arhangel'skǐi,1984
4. On the cardinality of a topological space;Charlesworth,1977
5. Two applications of reflection and forcing to topology;Dow,1988