00301nam a2200109Ia 4500100001800000110002800018245006800046260002400114300000900138490003900147490000500186  aHelson, Henry  aUniversite de Paris-Sud  aMethodes complexes et methodes de Hilbert en analyse de Fourier  aOrsay, Francec1967  a90p.  aPublications Mathematiques D'Orsay  a