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Author: Chajda, I.

• Chajda, I.; Kolařík, M.: Directoids with an antitone involution. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 48 (2007), issue 4, pp. 555-569
• Chajda, I.; Radelecki, S.: Congruence schemes and their applications. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 46 (2005), issue 1, pp. 1-14
• Chajda, I.; Halaš, R.; Jun, Y. B.: Annihilators and deductive systems in commutative Hilbert algebras. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 43 (2002), issue 3, pp. 407-417