%0 Journal Article %A O. P. Solovtsova %T Perturbation Theory and the Analytic Approach in the Context of the Inclusive $\tau$-Lepton Decay %J Teoretičeskaâ i matematičeskaâ fizika %D 2003 %P 416-429 %V 134 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2003_134_3_a7/ %G ru %F TMF_2003_134_3_a7