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Translated fromSibirskiî Matematicheskiî Zhurnal, Vol. 35, No. 6, pp. 1397–1400, November–December, 1994.
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Shushbaev, S.S. On the extremality rays of finally-extremal forms in seven variables. Sib Math J 35, 1240–1243 (1994). https://doi.org/10.1007/BF02104724
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DOI: https://doi.org/10.1007/BF02104724