S. Gerhold:
"Asymptotic Estimates for Some Number Theoretic Power Series";
Acta Arithmetica, 142 (2010), 2; S. 187 - 196.
http://dx.doi.org/10.4064/aa142-2-8
Projektleitung Uwe Schmock:
Christian-Doppler-Labor für Portfolio Risk Management (PRisMa Lab)