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Translated from Doklady Akademii Nauk, Vol. 371, No. 4, 2000, pp. 473–475.
Original Russian Text Copyright © 2000 by Danilevich, Petrov.
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Danilevich, Y.B., Petrov, Y.P. On a necessity of extending the concept of equivalence in mathematical models. Dokl. Phys. 45, 164–166 (2000). https://doi.org/10.1134/1.171732
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DOI: https://doi.org/10.1134/1.171732