@article{1103899893,
author = {Berg\`ere, M. C. and Lam, Yuk-Ming P.},
title = {Zero-mass limit in perturbative quantum field theory},
journal = {Comm. Math. Phys.},
volume = {46},
number = {1},
year = {1976},
pages = { 267-290},
language = {en},
url = {http://dml.mathdoc.fr/item/1103899893}
}
Bergère, M. C.; Lam, Yuk-Ming P. Zero-mass limit in perturbative quantum field theory. Comm. Math. Phys., Tome 46 (1976) no. 1, pp. 267-290. http://gdmltest.u-ga.fr/item/1103899893/