@article{AIHPA_1988__48_4_311_0,
     author = {Baumg\"artel, Hellmut},
     title = {On nets of local algebras on $\mathbb {Z}^4$, covariant with respect to the discrete {Poincar\'e} group ; causality and scattering theory},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {311--323},
     publisher = {Gauthier-Villars},
     volume = {48},
     number = {4},
     year = {1988},
     mrnumber = {969169},
     zbl = {0672.22022},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1988__48_4_311_0/}
}