Isolated periodic minima are unstable
Ureña, Antonio J.
Annales de l'I.H.P. Analyse non linéaire, Tome 23 (2006), p. 877-889 / Harvested from Numdam
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@article{AIHPC_2006__23_6_877_0,
     author = {Ure\~na, Antonio J.},
     title = {Isolated periodic minima are unstable},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     volume = {23},
     year = {2006},
     pages = {877-889},
     doi = {10.1016/j.anihpc.2005.09.010},
     mrnumber = {2271699},
     zbl = {05138724},
     language = {en},
     url = {http://dml.mathdoc.fr/item/AIHPC_2006__23_6_877_0}
}

Ureña, Antonio J. Isolated periodic minima are unstable. Annales de l'I.H.P. Analyse non linéaire, Tome 23 (2006) pp. 877-889. doi : 10.1016/j.anihpc.2005.09.010. http://gdmltest.u-ga.fr/item/AIHPC_2006__23_6_877_0/

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