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Translated from Doklady Akademii Nauk, Vol. 378, No. 4, 2001, pp. 475–478.
Original Russian Text Copyright © 2001 by Leyderman, O. Fesenko, Hernández-Rivera, E. Fesenko.
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Leyderman, A., Fesenko, O.E., Hernández-Rivera, S.P. et al. A minimum of the lattice vibration frequency as a function of the electrostatic field and the soft-mode concept. Dokl. Phys. 46, 389–392 (2001). https://doi.org/10.1134/1.1384931
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DOI: https://doi.org/10.1134/1.1384931