Compactness and homogeneity of saturated structures. I. Josef Mlček (1983) Commentationes Mathematicae Universitatis Carolinae
Compactness and homogeneity of saturated structures. II. Josef Mlček (1983) Commentationes Mathematicae Universitatis Carolinae
Completion closed algebras and models of Peano arithmetic Petr Hájek (1981) Commentationes Mathematicae Universitatis Carolinae