TY - JOUR AU - A. A. Vladimirov TI - Methods of calculating many-loop diagrams and renormalization-group analysis of the~$\varphi^4$ theory JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1978 SP - 271 EP - 278 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1978_36_2_a10/ LA - ru ID - TMF_1978_36_2_a10 ER -