Asymptotische Entwicklungen für unvollständige Gammafunktionen.
New integral representations for the square of the Riemann zeta-function
Introduction. The recent discovery of an analogue of the Riemann-Siegel integral formula for Dirichlet series associated with cusp forms [2] naturally raises the question whether similar formulas might exist for other types of zeta functions. The proof of these formulas depends on the functional equation for the underlying Dirichlet series. In both cases, for ζ(s) and for the cusp form zeta functions, only a simple gamma factor is involved. The next simplest case arises when two such factors occur...
Asymptotic expansions for Dirichlet series associated to cusp forms.
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