@article{bwmeta1.element.bwnjournal-article-aav56i1p65bwm,
author = {Iwaniec, Henryk},
title = {Small eigenvalues of Laplacian for $$\Gamma$\_{0}(N)$
},
journal = {Acta Arithmetica},
volume = {55},
year = {1990},
pages = {65-82},
zbl = {0702.11034},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav56i1p65bwm}
}
Iwaniec, Henryk. Small eigenvalues of Laplacian for $Γ_{0}(N)$
. Acta Arithmetica, Tome 55 (1990) pp. 65-82. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav56i1p65bwm/