TY - JOUR AU - Piero D'Ancona AU - Damiano Foschi AU - Sigmund Selberg TI - Null structure and almost optimal local regularity for the Dirac-Klein-Gordon system JO - Journal of the European Mathematical Society PY - 2007 SP - 877 EP - 899 VL - 9 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/100/ DO - 10.4171/jems/100 ID - JEMS_2007_9_4_a9 ER -