The Racah Algebra of Rank 2: Properties, Symmetries and Representation von Post, Sarah, Bertrand, Sébastien

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A New Species of Mites of the Genus Geckobia (Prostigmata, Pterygosomatidae), Parasitic on Mediodactylus kotschyi (Reptilia, Gekkota) from Crimea von Bertrand, M., Kukushkin, O., Pogrebnyak, S.

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A New Species of Mites of the Genus Geckobia (Prostigmata, Pterygosomatidae), Parasitic on Mediodactylus kotschyi (Reptilia, Gekkota) from Crimea von M. Bertrand, O. Kukushkin, S. Pogrebnyak

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Профіль ентропії поверхні поділу в однопетльовому наближенні von Bertrand, C.E., Anisimov, M.A.

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On the Integrability of Supersymmetric Versions of the Structural Equations for Conformally Parametrized Surfaces von Bertrand, S., Grundland, A.M., Hariton, A.J.

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