@article{1103857411,
author = {Veseli\'c, K.},
title = {Perturbation of pseudoresolvents and analyticity in $1/c$ in relativistic quantum mechanics},
journal = {Comm. Math. Phys.},
volume = {20},
number = {1},
year = {1971},
pages = { 27-43},
language = {en},
url = {http://dml.mathdoc.fr/item/1103857411}
}
Veselić, K. Perturbation of pseudoresolvents and analyticity in $1/c$ in relativistic quantum mechanics. Comm. Math. Phys., Tome 20 (1971) no. 1, pp. 27-43. http://gdmltest.u-ga.fr/item/1103857411/