@article{CMH_1981__56_139858,
     author = {I. Chavel and E.A. Feldman},
     title = {Spectra of manifolds with small handles.},
     journal = {Commentarii mathematici Helvetici},
     pages = {83--102},
     publisher = {mathdoc},
     volume = {56},
     year = {1981},
     zbl = {0473.53037},
     url = {http://geodesic.mathdoc.fr/item/CMH_1981__56_139858/}
}