Decoupling the NLO coupled DGLAP evolution equations: an analytic solution to pQCDMartinM. Block, Loyal Durand, Phuoc Ha and DouglasW. McKayEur. Phys. J. C, 69 3-4 (2010) 425-431DOI: https://doi.org/10.1140/epjc/s10052-010-1413-4