@article{1250517664,
author = {Tsutsumi, Hiroyuki},
title = {The Atkin inner product for $\Gamma\_0(N)$},
journal = {J. Math. Kyoto Univ.},
volume = {40},
number = {4},
year = {2000},
pages = { 753-775},
language = {en},
url = {http://dml.mathdoc.fr/item/1250517664}
}
Tsutsumi, Hiroyuki. The Atkin inner product for $\Gamma_0(N)$. J. Math. Kyoto Univ., Tome 40 (2000) no. 4, pp. 753-775. http://gdmltest.u-ga.fr/item/1250517664/