2010/02/24 by Anton S. Galaev, Galaev, Anton S.
Mathematics · Physics and Astronomy · #35Q76 #53C29 #83C05 #83C15 #Differential Geometry (math.DG) #FOS: Mathematics #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Theory (hep-th) #gr-qc #hep-th #math.DG #msc:35Q76 #msc:53C29 #msc:83C05 #msc:83C15
paper · pdf · doi:10.48550/arxiv.1002.4540
This paper has been withdrawn
arxiv created 2010/04/12 · arxiv updated 2010/04/13
This paper has been withdrawn by the author, since some results of the paper have been already obtained in [J.~Lewandowski, Class. Quantum Grav. 9 (1992), no. 10, L147--L151.]