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. 2018 May 24;20(6):405. doi: 10.3390/e20060405

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Fonctions $α_{λ}$ and $S_{1}$ as a function of Langevin parameter $ξ$ . The other parameters are fixed: $ϕ$ = 0.01, $λ$ = 0.22 et $ψ_{d d}$ = 4.3.