%0 Journal Article %A P. Buser %A K.-D. Semmler %T The geometry and spectrum of the one holed torus. %J Commentarii mathematici Helvetici %D 1988 %P 259-274 %V 63 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1988__63_4_140121/ %F CMH_1988__63_4_140121