TY - JOUR AU - Zh. P. Kachanova AU - V. V. Voevodskii AU - A. P. Purmal' TI - The electric conductivity of the $\mathrm{MnO}_2$ semiconductor in the course of oxidation by $\mathrm{CO}$ JO - Doklady Akademii Nauk PY - 1960 SP - 648 EP - 650 VL - 135 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_135_3_a36/ LA - ru ID - DAN_1960_135_3_a36 ER -