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**Review of Advances in Physics Theories and Applications**

June 2014, Volume 1, 1, pp 9-33

We have established mathematically that the spatial symmetry of the singlet bipolaron Landau-Pekar is axial-symmetric. At the same time, triplet states of the bipolaron are spherically symmetric formations. Increasing the flexibility of the wave function does not change the spatial symmetry of the bipolaron. Knowledge of the bipolaron symmetry allows to correctly interpret experiment.

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