@article{MZ_1984__187_173505,
     author = {Ruishi Kuwabara},
     title = {Spectrum and {Holonomy} of the {Line} {Bundle} over the {Sphere.}},
     journal = {Mathematische Zeitschrift},
     pages = {481--490},
     publisher = {mathdoc},
     volume = {187},
     year = {1984},
     zbl = {0538.53039},
     url = {http://geodesic.mathdoc.fr/item/MZ_1984__187_173505/}
}