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Additional information
Tomsk State University, Tomsk. Translated from Sibirskii Matematicheskii Zhurnal, Vol. 21, No. 4, pp. 151–160, July–August, 1980.
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Suvorov, S.G. Critical sets in optimization problems with several constraints. Sib Math J 21, 595–602 (1980). https://doi.org/10.1007/BF00995962
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DOI: https://doi.org/10.1007/BF00995962