@article{GDZPPN00231987X,
title = {Selberg Type Zeta Functions for the Group of Complex Two by Two Matrices of Determinant One.},
journal = {Mathematische Annalen},
volume = {250},
year = {1980},
pages = {177-194},
zbl = {0449.22013},
url = {http://dml.mathdoc.fr/item/GDZPPN00231987X}
}
Scott, David. Selberg Type Zeta Functions for the Group of Complex Two by Two Matrices of Determinant One.. Mathematische Annalen, Tome 250 (1980) pp. 177-194. http://gdmltest.u-ga.fr/item/GDZPPN00231987X/