Geodesic
Normal forms and versal deformations for Hill's equation
Funkcionalʹnyj analiz i ego priloženiâ, Tome 9 (1975) no. 4, pp. 41-48.

Voir la notice de l'article provenant de la source Math-Net.Ru

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V. F. Lazutkin; T. F. Pankratova. Normal forms and versal deformations for Hill's equation. Funkcionalʹnyj analiz i ego priloženiâ, Tome 9 (1975) no. 4, pp. 41-48. http://geodesic.mathdoc.fr/item/FAA_1975_9_4_a4/

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