@article{AIHPA_1977__26_2_193_0,
     author = {Cahill, K\'evin and Stapp, Henry P.},
     title = {Multiple discontinuities for 2-to-4 processes},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {193--212},
     publisher = {Gauthier-Villars},
     volume = {26},
     number = {2},
     year = {1977},
     mrnumber = {462280},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1977__26_2_193_0/}
}