Higher order QCD results for the fermionic contributions of the Higgs-boson decay into two photons and the decoupling function for the 
renormalized fine-structure constant
Eur. Phys. J. C, 74 8 (2014) 2978
Published online: 09 August 2014
DOI: 10.1140/epjc/s10052-014-2978-0