1. Discrete subspaces of topological spaces;Hajnal;Indag. Math.,1967
2. Discrete subspaces of topological spaces;Hajnal,1967
3. Partition relations for cardinal numbers;Erdös;Acta Math. Acad. Sci. Hung.,1965
4. From accessible to inaccessible cardinals;Keisler;Fund. Math.,1964
5. On some problems involving inaccessible cardinals;Erdös,1961