Authors: Lindgren, I Asen, B Salomonson, S Martensson-Pendrill, AM

Citation: I. Lindgren et al., QED procedure applied to the quasidegenerate fine-structure levels of He-like ions - art. no. 062505, PHYS REV A, 6406(6), 2001, pp. 2505

Authors: Asen, B Salomonson, S Lindgren, I

Citation: B. Asen et al., Two-photon QED corrections in helium-like highly charged ions, HYPER INTER, 127(1-4), 2000, pp. 319-322