The completion monad and its algebra Sergio Salbany — 1982 Commentationes Mathematicae Universitatis Carolinae
Rings Of Real-Valued Functions And The Finite Subcovering Property. Alexander Abian; Sergio Salbany — 1979 Revista colombiana de matematicas
Quasi-metrizable spaces with a bicomplete structure. Salvador Romaguera; Sergio Salbany — 1992 Extracta Mathematicae
Quasi-metrization and hereditary normality of compact bitopological spaces Salvador Romaguera; Sergio Salbany — 1990 Commentationes Mathematicae Universitatis Carolinae