An upper bound on the energy of a gravitationally redshifted electron-positron annihilation line from the Crab pulsar
arXiv:astro-ph/0412323 · doi:10.1051/0004-6361:20041790
Abstract
The various changes in the `abstract' are mentioned in point (1) of the present erratum.
Erratum: 2 pages (including 1 table) in A&A style