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• Volume 51

Author: Kala, Vítězslav

• Kala, Vítězslav; Kepka, Tomáš: Commutative parasemifields finitely generated as semirings. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 51 (2010), issue 1, pp. 49-56
• Kala, Vítězslav; Kepka, Tomáš; Němec, Petr: Norms on semirings. I. (English). Acta Universitatis Carolinae. Mathematica et Physica, vol. 51 (2010), issue 1, pp. 29-48