@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},
     publisher = {Gauthier-Villars},
     volume = {54},
     number = {2},
     year = {1991},
     mrnumber = {1110653},
     zbl = {0748.35033},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1991__54_2_209_0/}
}