Media type: E-Article Title: Topological Operators, Subspaces, and Hereditary Normality Contributor: Rosenstein,, G. M.; Slaughter,, F. G. Published: Mathematical Association of America, 1976 Published in: The American Mathematical Monthly, 83 (1976) 4, Seite 271-272 Language: English ISSN: 0002-9890; 1930-0972 Keywords: Classroom Notes Origination: Footnote: Access State: Open Access