``Analysis, Partial Differential Equations and Applications - The Vladimir Maz'ya Anniversary Volume''
(ed. A.Cialdea, F.Lanzara and P.E.Ricci), series Operator Theory: Advances and Applications, vol. 193, Birkhäuser Verlag, 2009, p. 15-29.
Dark spinors with torsion in cosmology.
Christian Boehmer, James Burnett
e-Print: arXiv:0812.3948 [gr-qc]