@article{MZ_1978__164_172775,
     author = {Grigorios Tsagas},
     title = {The {Spectrum} of the {Bochner-Laplace} {Operator} on the {1-Forms} on a {Compact} {Riemannian} {Manifold.}},
     journal = {Mathematische Zeitschrift},
     pages = {153--158},
     publisher = {mathdoc},
     volume = {164},
     year = {1978},
     zbl = {0379.53023},
     url = {http://geodesic.mathdoc.fr/item/MZ_1978__164_172775/}
}