ZhETF, Vol. 95,
p. 1167 (April 1989)
(English translation - JETP,
The issue content is only available in english translation.
Vacuum polarization by a strong coulomb field and its contribution to the spectra of multiply-charged ions
N.L. Manakov, A.A. Nekipelov, A.G. Fainshtein
Received: August 11, 1988