Homogeneity, universality and saturatedness of limit reduced powers (II) B. Węglorz (1977) Fundamenta Mathematicae
Homogeneity, universality and saturatedness of limit reduced powers III Leszek Pacholski (1977) Fundamenta Mathematicae
Homogeneity, universality and saturatedness of limit reduced powers I J. Wierzejewski (1977) Fundamenta Mathematicae