87 citations · 189 across the 9 of their papers we have counts for
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Levan R. Surguladze
The results of evaluation of mixed QED X QCD corrections to R(s) in e^+e^- annihilation and R_τ in hadronic decay of the τlepton to O(α^nα_s^m), m+n \leq 3, are presented. The net…