@article{1104252520, author = {Steinmann, O.}, title = {Perturbation theory of Wightman functions}, journal = {Comm. Math. Phys.}, volume = {151}, number = {1}, year = {1993}, pages = { 627-645}, language = {en}, url = {http://dml.mathdoc.fr/item/1104252520} }
Steinmann, O. Perturbation theory of Wightman functions. Comm. Math. Phys., Tome 151 (1993) no. 1, pp. 627-645. http://gdmltest.u-ga.fr/item/1104252520/