@article{MZ_1980__175_173038,
     author = {Shukichi Tanno},
     title = {A {Characterization} of the {Cannonical} {Spheres} by the {Spectrum.}},
     journal = {Mathematische Zeitschrift},
     pages = {267--274},
     publisher = {mathdoc},
     volume = {175},
     year = {1980},
     zbl = {0431.53037},
     url = {http://geodesic.mathdoc.fr/item/MZ_1980__175_173038/}
}