@article{AIHPA_1988__49_2_215_0,
     author = {Summers, Stephen J. and Werner, Reinhard},
     title = {Maximal violation of {Bell's} inequalities for algebras of observables in tangent spacetime regions},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {215--243},
     publisher = {Gauthier-Villars},
     volume = {49},
     number = {2},
     year = {1988},
     mrnumber = {984150},
     zbl = {0673.46046},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1988__49_2_215_0/}
}