@article{GDZPPN00206684X,
title = {The geometry and spectrum of the one holed torus.},
journal = {Commentarii mathematici Helvetici},
volume = {63},
year = {1988},
pages = {259-274},
zbl = {0649.53028},
url = {http://dml.mathdoc.fr/item/GDZPPN00206684X}
}
Buser, P.; Semmler, K.-D. The geometry and spectrum of the one holed torus.. Commentarii mathematici Helvetici, Tome 63 (1988) pp. 259-274. http://gdmltest.u-ga.fr/item/GDZPPN00206684X/