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• Volume 16

Author: Ježek, Jaroslav

• Ježek, Jaroslav: Normal subsets of quasigroups. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 16 (1975), issue 1, pp. 77-85
• Ježek, Jaroslav; Kepka, Tomáš: Quasigroups, isotopic to a group. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 16 (1975), issue 1, pp. 59-76
• Ježek, Jaroslav; Kepka, Tomáš: Semigroup representations of commutative idempotent Abelian groupoids. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 16 (1975), issue 3, pp. 487-500