The running of the electromagnetic coupling in small angle Bhabha scatteringA. B. Arbuzov, D. Haidt, C. Matteuzzi, M. Paganoni and L. TrentadueEur. Phys. J. C, 34 3 (2004) 267-275DOI: https://doi.org/10.1140/epjc/s2004-01649-0