@article{MZ_1988__198_3_173945,
     author = {Yoshihisa Kitagawa},
     title = {Rigidity of the {Clifford} {Tori} in {S3.}},
     journal = {Mathematische Zeitschrift},
     pages = {591--599},
     publisher = {mathdoc},
     volume = {198},
     number = {3},
     year = {1988},
     zbl = {0632.53054},
     url = {http://geodesic.mathdoc.fr/item/MZ_1988__198_3_173945/}
}