@article{GDZPPN002424517, title = {A Characterization of the Cannonical Spheres by the Spectrum.}, journal = {Mathematische Zeitschrift}, volume = {174}, year = {1980}, pages = {267-274}, zbl = {0431.53037}, url = {http://dml.mathdoc.fr/item/GDZPPN002424517} }
Tanno, Shukichi. A Characterization of the Cannonical Spheres by the Spectrum.. Mathematische Zeitschrift, Tome 174 (1980) pp. 267-274. http://gdmltest.u-ga.fr/item/GDZPPN002424517/