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Mathematica Slovaca

Ivan Chajda (1991)

Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica

Chajda, I. (1996)

Acta Mathematica Universitatis Comenianae. New Series

Pinus, A.G. (2006)

Sibirskij Matematicheskij Zhurnal

Aldo Ursini (1984)

Acta Universitatis Carolinae. Mathematica et Physica

Ivan Chajda (1994)

Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica

Janelidze, George, Pedicchio, M.Cristina (2001)

Theory and Applications of Categories [electronic only]