Jentschura, U.
, Kotochigova, S.
, Le bigot, E.
and Mohr, P.
(2005),
Precise theory of levels of hydrogen and deuterium: The one-photon self energy correction, http://physics.nist.gov/hdel, [online], http://physics.nist.gov/hdel
(Accessed January 13, 2025)