MathSciNet bibliographic data MR1371678 53C42 Cheng, Qing-Ming The rigidity of Clifford torus $S\sp 1(\sqrt{1/n})\times S\sp {n-1}(\sqrt{(n-1)/n})$$S\sp 1(\sqrt{1/n})\times S\sp {n-1}(\sqrt{(n-1)/n})$. Comment. Math. Helv. 71 (1996), no. 1, 60–69. Article

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