Geodesic
A Lie algebra structure in a formal variational calculation
Funkcionalʹnyj analiz i ego priloženiâ, Tome 10 (1976) no. 1, pp. 18-25 
I. M. Gel'fand; L. A. Dikii. A Lie algebra structure in a formal variational calculation. Funkcionalʹnyj analiz i ego priloženiâ, Tome 10 (1976) no. 1, pp. 18-25. http://geodesic.mathdoc.fr/item/FAA_1976_10_1_a3/
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Voir la notice de l'article provenant de la source Math-Net.Ru

[1] Lax P., “Periodic solutions of the KdV equation”, Comm. pure appl. math., 28:1 (1975), 141–188 | DOI | MR | Zbl

[2] Gelfand I.M., Dikii L.A., “Asimptotika rezolventy shturm-liuvillevskikh uravnenii i algebra uravnenii Kortevega–de Friza”, UMN, XXX:5 (1975), 67–100 | MR

[3] Bogoyavlenskii O.I., Novikov S.P., “O svyazi gamiltonovykh formalizmov statsionarnykh i nestatsionarnykh zadach”, Funkts. analiz, 10:1 (1976), 9–13 | MR | Zbl

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[5] Zakharov V.E., Faddeev L.D., “Uravnenie Kortevega–de Friza – vpolne integriruemaya gamiltonova sistema”, Funkts. analiz, 5:4 (1971), 18–27 | MR | Zbl