Mössbauer Study of the Mechanical Activation Effect on the Magnetic Properties of PbFe0.5Ta0.5O3 von Kubrin, S. P., Raevski, I. P., Gusev, A. A., Isupov, V. P., Chou, C.-C., Titov, V. V., Sarychev, D. A., Raevskaya, S. I., Zekhtser, M. Y., Malitskaya, M. A.

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Existence and stability of bushes of vibrational modes for octahedral mechanical systems with Lennard–Jones potential von Chechin, G.M., Gnezdilov, A.V., Zekhtser, M.Yu

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