@article{AIHPA_1995__63_3_277_0,
     author = {Umeda, Tomio},
     title = {Radiation conditions and resolvent estimates for relativistic {Schr\"odinger} operators},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {277--296},
     publisher = {Gauthier-Villars},
     volume = {63},
     number = {3},
     year = {1995},
     mrnumber = {1363536},
     zbl = {0844.47030},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1995__63_3_277_0/}
}