no. 2
Dirac equations with moving nuclei
Annales de l'I.H.P. Physique théorique, Tome 54 (1991) no. 2, pp. 209-221 
@article{AIHPA_1991__54_2_209_0,
     author = {Kato, T. and Yajima, K.},
     title = {Dirac equations with moving nuclei},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {209--221},
     year = {1991},
     publisher = {Gauthier-Villars},
     volume = {54},
     number = {2},
     mrnumber = {1110653},
     zbl = {0748.35033},
     language = {en},
     url = {https://www.numdam.org/item/AIHPA_1991__54_2_209_0/}
}
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Kato, T.; Yajima, K. Dirac equations with moving nuclei. Annales de l'I.H.P. Physique théorique, Tome 54 (1991) no. 2, pp. 209-221. https://www.numdam.org/item/AIHPA_1991__54_2_209_0/

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