The paper
Beiträge zur Theorie der durch die Gauss'sche Reiheby Bernhard Riemann, first published in Abhandlungen der Königlichen Gesellschaft der Wissenschaften zu Göttingen, vol. 7, 1857, is available here in the following formats:darstellbaren Functionen
A notice relating to this paper, published in Göttinger Nachrichten, 1857, Nr. 1, is also available in the following formats:
Links:
D.R. Wilkins