Normale Zahlen und Bairesche Kategorien von Mengen
Statistical convergence of subsequences of a given sequence.
On the class of all reciprocal bases for integers.
Quotientbasen und (R)-dichte Mengen
Corrigendum to the paper "On ratio sets of sets of natural numbers"
On ratio sets of natural numbers
On a class of densities of sets of positive integers.
Transformations that preserve uniform distribution
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