@article{AIHPA_1971__15_4_351_0, author = {De Mottoni, P. and Salusti, E.}, title = {On a differential equation approach to quantum field theory : causality property for the solutions of {Thirring's} model}, journal = {Annales de l'I.H.P. Physique th\'eorique}, pages = {351--360}, publisher = {Gauthier-Villars}, volume = {15}, number = {4}, year = {1971}, mrnumber = {297262}, zbl = {0226.35084}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AIHPA_1971__15_4_351_0/} }