"Eisenstein series and the Selberg trace formula I by Don Zagier from Automorphic Forms, Representation Theory and Arithmetic: Papers, Presented at the Bombay Colloquium 1979 (Tata Institute Studies in Mathematics)" - читать интересную книгу автора (S. Gelbart, G. Harder, K. Iwasawa, H. Jaquet, N.M. Katz, I. Piatetski-Shapiro,...)