1. Translational and homothetic clouds for a convex body;Böröczky;Studia Sci. Math. Hungar.,1996
2. Ein Satz über gitterförmiger Kugelpackungen;Heppes;Ann. Univ. Sci. Budapest Eötvös Sect. Math.,1961
3. Estimation of the radius of a cylinder that can be imbedded in any lattice packing of n-dimensional unit balls;Horvath;Mat. Zamelki,1975
4. The number of congruent spheres that hide a given sphere of three-dimensional space is not less than 30;Csóka;Studia Sci. Math. Hungar.,1977