@article{701488,
     title = {Twistor spinors and solutions of the equation (E) on Riemannian manifolds},
     booktitle = {Proceedings of the Winter School "Geometry and Physics"},
     series = {GDML\_Books},
     publisher = {Circolo Matematico di Palermo},
     address = {Palermo},
     year = {1991},
     pages = {[149]-154},
     mrnumber = {MR1151900},
     zbl = {0760.53033},
     url = {http://dml.mathdoc.fr/item/701488}
}

Friedrich, Thomas; Pokorná, Olga. Twistor spinors and solutions of the equation (E) on Riemannian manifolds, dans Proceedings of the Winter School "Geometry and Physics", GDML_Books,  (1991), pp. [149]-154. http://gdmltest.u-ga.fr/item/701488/