%0 Journal Article %A Machedon, M. %T Fourier analysis of null forms and nonlinear wave equations %J Documenta mathematica %D 1998 %P 49-55 %V ICM Berlin 1998, Vol. III %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a73/ %G en %F DOCMA_1998__S9__a73