TY - JOUR AU - O. P. Solovtsova TI - Perturbation Theory and the Analytic Approach in the Context of the Inclusive $\tau$-Lepton Decay JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2003 SP - 416 EP - 429 VL - 134 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2003_134_3_a7/ LA - ru ID - TMF_2003_134_3_a7 ER -