Lattice packings with gap defects are not completely saturated. Kuperberg, Greg; Kuperberg, Krystyna; Kuperberg, Włodzimierz — 2004 Beiträge zur Algebra und Geometrie
An. isomorphism theorem of the Hurewicz-type in Borsuk's theory of shape Krystyna Kuperberg — 1972 Fundamenta Mathematicae
A note on the Hurewicz isomorphism theorem in Borsuk's theory of shape Krystyna Kuperberg — 1976 Fundamenta Mathematicae
A rest point free dynamical system on R 3 with uniformly bounded trajectories Krystyna Kuperberg; Coke Reed — 1981 Fundamenta Mathematicae
On the 2-homogeneity of Cartesian products Krystyna Kuperberg; W. Kuperberg; W. Transue — 1980 Fundamenta Mathematicae