On topological properties of the central set of a bounded domain in Rm David MilmanZeev Waksman OriginalPaper Pages: 1 - 7
Kennzeichnung Verallgemeinerter Euklidischer Ebenen Durch Ähnlichkeitsrelationen Johannes Ruthotto OriginalPaper Pages: 28 - 34
Some new invariant pairs (t,3) for projective hjelmslev planes Sharad S. Sane OriginalPaper Pages: 64 - 73
The rank of the AG(2,n) incidence matrix over any prime field Thomas Beth OriginalPaper Pages: 89 - 92
Ensembles de classe (0, 1, q, q + 1) de PG (d, q) Christiane Lefevre-Percsy OriginalPaper Pages: 93 - 98