Bounemoura, Abed, and Jacques Féjoz. 2019. “KAM, α-Gevrey Regularity and the α-Bruno-Rüssmann Condition”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 19 (4):1225-79. https://doi.org/10.2422/2036-2145.201707_009.