Author: Arhangel'skii, A. V.

Arhangel'skii, A. V.; Hušek, M.: Extensions of topological and semitopological groups and the product operation. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 42 (2001), issue 1, pp. 173-186
Arhangel'skii, A. V.; Ludwig, L.: On $\alpha$-normal and $\beta$-normal spaces. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 42 (2001), issue 3, pp. 507-519

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