@article{1103899090,
author = {Frederiksen, J. S.},
title = {Sommerfeld-Watson representation for double-spectral functions. II. Crossing symmetric pion-pion scattering amplitude without Regge poles},
journal = {Comm. Math. Phys.},
volume = {40},
number = {1},
year = {1975},
pages = { 1-16},
language = {en},
url = {http://dml.mathdoc.fr/item/1103899090}
}
Frederiksen, J. S. Sommerfeld-Watson representation for double-spectral functions. II. Crossing symmetric pion-pion scattering amplitude without Regge poles. Comm. Math. Phys., Tome 40 (1975) no. 1, pp. 1-16. http://gdmltest.u-ga.fr/item/1103899090/