@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'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {351--360},
     publisher = {Gauthier-Villars},
     volume = {15},
     number = {4},
     year = {1971},
     mrnumber = {297262},
     zbl = {0226.35084},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1971__15_4_351_0/}
}