TY - JOUR AU - I. B. Simonenko TI - Higher approximations of the averaging method for parabolic equations JO - Doklady Akademii Nauk PY - 1973 SP - 1255 EP - 1257 VL - 213 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1973_213_6_a6/ LA - ru ID - DAN_1973_213_6_a6 ER -