1. Abstract and Concrete Categories, Pure and Applied Mathematics;Adámek,1990
2. A categorical concept of completion of objects;Brümmer;Comment. Math. Univ. Carolinae,1992
3. D-complete extensions of quasi-uniform spaces;Csaszar;Acta Math. Hung.,1994
4. On completeness of quasi-uniform spaces;Doitchinov;C.R. Acad. Bulgare Sci.,1988
5. A concept of completeness of quasi-uniform spaces;Doitchinov;Topol. Appl.,1991