@book{Apostol:1990:MFD,
author = {Apostol, Tom M.},
title = {Modular Functions and {D}irichlet Series in Number Theory},
series = {Graduate Texts in Mathematics},
volume = {41},
edition = {2nd},
publisher = {Springer-Verlag},
address = {New York},
year = {1990},
pages = {x+204},
isbn = {0-387-97127-0},
mrclass = {11-01 (11Fxx 11Mxx)},
mrnumber = {MR1027834 (90j:11001)},
zblno = {0697.10023}}