A generalized Crewther relation and the V scheme: analytic results in fourth-order perturbative QCD and QED. (English. Russian original) Zbl 1530.81121
Theor. Math. Phys. 217, No. 1, 1459-1486 (2023); translation from Teor. Mat. Fiz. 217, No. 1, 44-76 (2023).