TY - JOUR AU - K. A. Lurie AU - A. V. Cherkaev TI - Exact estimates of conductivity of mixtures composed of two materials JO - Doklady Akademii Nauk PY - 1982 SP - 1128 EP - 1130 VL - 264 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_264_5_a27/ LA - ru ID - DAN_1982_264_5_a27 ER -