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Kemerovo. Translated fromSibirskiî Matematicheskiî Zhurnal, Vol. 39, No. 6, pp. 1391–1408, November–December, 1998.
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Solov'ëv, A.F. Scalar curvatures of the first and second kinds of a left-invariant Riemannian metric and universal covering. Sib Math J 39, 1203–1217 (1998). https://doi.org/10.1007/BF02674131
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DOI: https://doi.org/10.1007/BF02674131