Erratum to: “Direct renormalization of two-electron self-energy contribution to energy of helium-like ions” [Phys. Lett. A 265 (2000) 207–216]

QED theory of the spectral line profile and its applications to atoms and ions

“…To some extent this disadvantage is avoided in another version of PWR based on the multicommutator representation of the SE operator [72]. In this version the cancellation of divergencies occurs partly analytically and partly numerically [73,74].…”

“…(73) and (74). In this section a is assumed to be a real state (see the comment at the beginning of Section 3.2).…”