TY - JOUR AU - N. S. Bakhvalov TI - Averaging of partial differential equations with rapidly oscillating coefficients JO - Doklady Akademii Nauk PY - 1975 SP - 516 EP - 519 VL - 221 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_221_3_a1/ LA - ru ID - DAN_1975_221_3_a1 ER -