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Author: Úlehla, Josef

• Pultr, Aleš; Úlehla, Josef: Notes on characterization of paracompact frames. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 30 (1989), issue 2, pp. 377-384
• Úlehla, Josef: On racial insufficiency: White messengers cannot simulate coloured ones. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 26 (1985), issue 2, pp. 323-325