@article{RSMUP_2011__126__237_0,
     author = {Antonini, Paolo},
     title = {Generalized {Dirac} operators on lorentzian manifolds and propagation of singularities},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {237--244},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {126},
     year = {2011},
     mrnumber = {2918209},
     zbl = {1235.53053},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_2011__126__237_0/}
}