1. Differential equations on contact Riemannian manifolds;Barletta;Ann. Sc. Norm. Super. Pisa, Cl. Sci. (4),2001
2. Spin-Strukturen und Dirac-Operatoren über pseudo-Riemannschen Mannigfaltigkeiten;Baum,1981
3. Lorentzian twistor spinors and CR-geometry;Baum;Differ. Geom. Appl.,1999
4. Killing and twistor spinors on Lorentzian manifolds;Bohle,1998
5. Monge-Ampere equations, the Bergman kernel, and geometry of pseudoconvex domains;Fefferman;Ann. Math.,1976