TY - JOUR AU - V. B. Levenshtam TI - Construction of higher approximations of the averaging method for parabolic initial-boundary value problems by the boundary layer method JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2004 SP - 41 EP - 45 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2004_3_a5/ LA - ru ID - IVM_2004_3_a5 ER -