TY - JOUR AU - Baumgärtel, Hellmut TI - On nets of local algebras on $\mathbb {Z}^4$, covariant with respect to the discrete Poincaré group ; causality and scattering theory JO - Annales de l'I.H.P. Physique théorique PY - 1988 SP - 311 EP - 323 VL - 48 IS - 4 PB - Gauthier-Villars UR - http://www.numdam.org/item/AIHPA_1988__48_4_311_0/ LA - en ID - AIHPA_1988__48_4_311_0 ER -