%0 Journal Article %A Antonini, Paolo %T Generalized Dirac operators on lorentzian manifolds and propagation of singularities %J Rendiconti del Seminario Matematico della Università di Padova %D 2011 %P 237-244 %V 126 %I Seminario Matematico of the University of Padua %U http://www.numdam.org/item/RSMUP_2011__126__237_0/ %G en %F RSMUP_2011__126__237_0