@article{1103859247,
author = {Becchi, C.},
title = {Absence of strong interaction corrections to the axial anomaly in the $\sigma$ model},
journal = {Comm. Math. Phys.},
volume = {29},
number = {1},
year = {1973},
pages = { 97-118},
language = {en},
url = {http://dml.mathdoc.fr/item/1103859247}
}
Becchi, C. Absence of strong interaction corrections to the axial anomaly in the $\sigma$ model. Comm. Math. Phys., Tome 29 (1973) no. 1, pp. 97-118. http://gdmltest.u-ga.fr/item/1103859247/