18 Category theory; homological algebra
18Axx General theory of categories and functors (
17 articles)
 
18A23 Natural morphisms, dinatural morphisms (2 articles) 
- 
Kalapodi, A.; Kontolatou, A.; Močkoř, J.:
		Some properties of Lorenzen ideal systems.
		
			(English).
Archivum Mathematicum,
		vol. 36
			(2000),
			issue 4,
		pp. 287-295
- 
Machner, Joachim:
		Standard monads.
		
			(English).
Archivum Mathematicum,
		vol. 23
			(1987),
			issue 2,
		pp. 77-88