%0 Journal Article %T Spin-Dependent Coupled Altarelli-Parisi Equations in the NLO and the Method of Successive Approximations %A Ranjit Choudhury %A D. K. Choudhury %J ISRN High Energy Physics %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/943871 %U http://dx.doi.org/10.5402/2012/943871