@article{1103840328,
author = {Doplicher, S. and Regge, T. and Singer, I. M.},
title = {A geometrical model showing the independence of locality and positivity of the energy},
journal = {Comm. Math. Phys.},
volume = {7},
number = {1},
year = {1968},
pages = { 51-54},
language = {en},
url = {http://dml.mathdoc.fr/item/1103840328}
}
Doplicher, S.; Regge, T.; Singer, I. M. A geometrical model showing the independence of locality and positivity of the energy. Comm. Math. Phys., Tome 7 (1968) no. 1, pp. 51-54. http://gdmltest.u-ga.fr/item/1103840328/