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Translated from Sibirskii Matematicheskii Zhurnal, Vol. 14, No. 4, pp. 766–790, July–August, 1973.
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Kolyada, V.I. The embedding of certain classes of functions of several variables. Sib Math J 14, 530–546 (1973). https://doi.org/10.1007/BF00967548
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DOI: https://doi.org/10.1007/BF00967548