The category of nonindexed algebras and weak homomorphisms Josef Niederle, Libor Polák (1979) Colloquium Mathematicae
The colimits in the generalized algebraic categories Jiří Adámek, Václav Koubek, Věra Pohlová (1972) Acta Universitatis Carolinae. Mathematica et Physica
The coproduct of totally convex spaces Dieter Pumplün, Helmut Röhrl (1987) Beiträge zur Algebra und Geometrie = Contributions to algebra and geometry
The existence and construction of Lax limits John W. Gray (1980) Cahiers de Topologie et Géométrie Différentielle Catégoriques
Topological Space Objects in a Topos II: ...-Completeness and ...-Cocompleteness. Lawrence Neff Stout (1975) Manuscripta mathematica
Trees, inverse systems, and valuated vector spaces Radoslav M. Dimitrić (2004) Acta Mathematica Universitatis Ostraviensis