%0 Journal Article %A Nickolay Tzvetkov %T Global Existence for Semilinear Massless Dirac Equation with Small Data %J Mathematica balkanica %D 1997 %P 359 %V 11 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1997_11_3-4_a17/ %F MABA_1997_11_3-4_a17