hal-01265231v1Article dans une revue Gérard Iooss. Quasipatterns in steady Bénard -Rayleigh convection Izvestiya Vuzov Severo-Kavkazskii Region, 2009, Izvestiya Vuzov Severo-Kavkazskii Region, Special Issue "Actual problems of mathematical hydrodynamics", Special Issue, in honor of 75th anniversary of the birth of V.Yudovich, pp.92-105