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• Volume 33

Author: Krassowska, Dorota

• Krassowska, Dorota; Śliwa, Wiesƚaw: When $(E,\sigma (E,E'))$ is a $DF$-space?. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 33 (1992), issue 1, pp. 43-44