A combinatorial theorem on the existence of a separating element and its applications to sequences and σ -derivations of measures Pavel Čihák (1969) Commentationes Mathematicae Universitatis Carolinae
A continuous geometry as a mathematical model for quantum mechanics Christopher J. Duckenfield (1969) Commentationes Mathematicae Universitatis Carolinae
A note on generalized Souslin's problem Karel Hrbáček (1967) Commentationes Mathematicae Universitatis Carolinae
A shrinking of a category of societies is a universal partly ordered class Luděk Kučera (1971) Commentationes Mathematicae Universitatis Carolinae