@article{1103814933,
author = {Borchers, H.-J.},
title = {Energy and momentum as observables in quantum field theory},
journal = {Comm. Math. Phys.},
volume = {1},
number = {5},
year = {1966},
pages = { 49-54},
language = {en},
url = {http://dml.mathdoc.fr/item/1103814933}
}
Borchers, H.-J. Energy and momentum as observables in quantum field theory. Comm. Math. Phys., Tome 1 (1966) no. 5, pp. 49-54. http://gdmltest.u-ga.fr/item/1103814933/