Articles
179-181
A note on the sum of sets of m-tuples
183-196
On the density of some sets of primes, I
197-210
On the density of some sets of primes, II
211-218
On the zeros of the Riemann zeta-function and L-series
219-226
Über Hasses Verallgemeinerung des Syracuse-Algorithmus (Kakutanis Problem)
227-266