Petr Hájek (1987)

Commentationes Mathematicae Universitatis Carolinae

Algebra i Logika

Cockett, J.R.B., Seely, R.A.G. (2007)

Theory and Applications of Categories [electronic only]

Awodey, Steve, Warren, Michael A. (2005)

Theory and Applications of Categories [electronic only]

de Paiva, Valeria (ed.), Pratt, Vaughan (ed.) (2006)

Theory and Applications of Categories [electronic only]

R. P. Nederpelt (1977)

Zbornik Radova

František Josef Studnička (1873)

Časopis pro pěstování mathematiky a fysiky

Douglas Bridges, Hajime Ishihara, Peter Schuster, Luminita Vîţă (2005)

Cahiers de Topologie et Géométrie Différentielle Catégoriques

Cockett, J.R.B., Seely, R.A.G. (1997)

Theory and Applications of Categories [electronic only]

George Boolos (1980)

Fundamenta Mathematicae

Michal Resl, Antonín Sochor (1981)

Commentationes Mathematicae Universitatis Carolinae