TY - JOUR AU - Sen-Ben Liao TI - Nonlinear Renormalization Group Flow and Approximate Solutions JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2001 SP - 444 EP - 456 VL - 127 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2001_127_3_a10/ LA - ru ID - TMF_2001_127_3_a10 ER -