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Additional information
Translated from Ukrainskii Geometricheskii Sbornik, No. 32, pp. 126–137, 1989.
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Yampol'skii, A.L. Extreme values of the sectional curvature of the Sasakian metric of T1(Mn, K). J Math Sci 59, 779–787 (1992). https://doi.org/10.1007/BF01097182
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DOI: https://doi.org/10.1007/BF01097182