JournalsrmiVol. 25, No. 1Volume 25, No. 1 (2009) Revista Matemática Iberoamericanapp. 1–48Extension of Cm,ω-Smooth Functions by Linear OperatorsCharles Feffermanpp. 49–273Fitting a Cm-Smooth Function to Data IICharles FeffermanBo'az Klartagpp. 275–421The Cm Norm of a Function with Prescribed Jets IICharles Fefferman