Minimal monads Karel Čuda, Blanka Vojtášková (1987) Commentationes Mathematicae Universitatis Carolinae
Monads in basic equivalences Karel Čuda, Blanka Vojtášková (1983) Commentationes Mathematicae Universitatis Carolinae
Monads of indiscernibles Karel Čuda, Blanka Vojtášková (1989) Commentationes Mathematicae Universitatis Carolinae