Boundedness in uniform spaces and topological groups Jan Hejcman — 1959 Czechoslovak Mathematical Journal
On conservative uniform spaces Jan Hejcman — 1966 Commentationes Mathematicae Universitatis Carolinae
Uniform dimension of mappings (Preliminary communication) Jan Hejcman — 1965 Commentationes Mathematicae Universitatis Carolinae
On analytical dimension of rings of bounded uniformly continuous functions Jan Hejcman — 1987 Commentationes Mathematicae Universitatis Carolinae
On simple recognizing of bounded sets Jan Hejcman — 1997 Commentationes Mathematicae Universitatis Carolinae We characterize those uniform spaces and commutative topological groups the bounded subsets of which can be recognized by using only one uniformly continuous pseudometric.
On a property of pseudometrics and uniformities near to convexity Jan Hejcman; Jiří Vilímovský — 1988 Czechoslovak Mathematical Journal