<sod>More recently, Alexander Burinskii has pursued the idea of treating the electron as Kerr-Newman naked singularity <ref>{{cite journal|last=Burinskii | first=Alexander | year=2005 | arxiv=hep-th/0507109 | title=The Dirac–Kerr electron|bibcode = 2008GrCo...14..109B |doi = 10.1134/S0202289308020011 }}</ref><ref>{{cite arXiv | last=Burinskii | first=Alexander | year=2007 | eprint=0712.0577 | title=Kerr geometry as space–time structure of the Dirac electron }}</ref><eod>
<sod>More recently, Alexander Burinskii has pursued the idea of treating the electron as Kerr-Newman naked singularity .<ref>{{cite journal |last=Burinskii |first=Alexander |arxiv=hep-th/0507109 |title=The Dirac-Kerr-Newman electron |journal=Gravitation and Cosmology |volume=14 |issue=2 |pages=109–122 |date=April 2008 |bibcode=2008GrCo...14..109B |doi=10.1134/S0202289308020011 }}</ref><ref>{{cite arXiv | last=Burinskii | first=Alexander | year=2007 | eprint=0712.0577 | title=Kerr geometry as space–time structure of the Dirac electron }}</ref><eod>