TY - JOUR AU - Nickolay Tzvetkov TI - Global Existence for Semilinear Massless Dirac Equation with Small Data JO - Mathematica balkanica PY - 1997 SP - 359 VL - 11 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1997_11_3-4_a17/ ID - MABA_1997_11_3-4_a17 ER -