Pflasterungen des Raumes mit Pyramiden und Doppelpyramiden.
Placing and moving spheres in the gaps of a cylinder packing.
Poznámka k tretej časti 18. Hilbertovho problému
(p,q)-Punktsysteme in der Minkowskischen Ebene
Problèmes de partitionnement : exploration arborescente ou méthode de troncatures ?
Quasicrystallography: some interesting new patterns
Remarks on sphere packings, clusters and Hales Ferguson theorem
Remarks on the closest packing of convex discs.
r-zugängliche Unterdeckungen der Ebene durch kongruente Kreise. I.
r-zugängliche Unterdeckungen der Ebene durch kongruente Kreise. II.
Sausages are Good Packings.
Singular points of a convex tiling.
Some Basic Properties of Packing and Covering Constants.
Some problems on splittings of groups.
Sphere-packing and volume in hyperbolic 3-space.
Splitting groups of prime order.
Splittings of Abelian groups by integers.
Splittings of Abelian groups by integers. (Short Communication).
Splittings of infinite abelian group.
Splittings of infinite abelian group. (Short Communication).