@article{GDZPPN000461318, title = {The Spectrum of Fermat Curves.}, journal = {Geometric and functional analysis}, volume = {1}, year = {1991}, pages = {80-146}, zbl = {0751.11030}, url = {http://dml.mathdoc.fr/item/GDZPPN000461318} }
Sarnak, P.; Philips, R. The Spectrum of Fermat Curves.. Geometric and functional analysis, Tome 1 (1991) pp. 80-146. http://gdmltest.u-ga.fr/item/GDZPPN000461318/