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Variational approach to the periodic solutions problem

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Translated from Sibirskii Matematicheskii Zhurnal, Vol. 25, No. 1, pp. 106–119, January–February, 1984.

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Perov, A.I., Smagina, T.I. & Khatskevich, V.L. Variational approach to the periodic solutions problem. Sib Math J 25, 88–100 (1984). https://doi.org/10.1007/BF00969513

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  • DOI: https://doi.org/10.1007/BF00969513

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