Einstein–Rosen “bridge” needs lightlike brane source

@article{Guendelman2009EinsteinRosenN,
  title={Einstein–Rosen “bridge” needs lightlike brane source},
  author={Eduardo I Guendelman and Alexander B. Kaganovich and E. R. Nissimov and Svetlana Pacheva},
  journal={Physics Letters B},
  year={2009},
  volume={681},
  pages={457-462}
}

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