TY - JOUR AU - Machedon, M. TI - Fourier analysis of null forms and nonlinear wave equations JO - Documenta mathematica PY - 1998 SP - 49 EP - 55 VL - ICM Berlin 1998, Vol. III PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a73/ LA - en ID - DOCMA_1998__S9__a73 ER -