%0 Journal Article %A G. P. Popov %T Equilibrium conditions in the reduction of nickel ferrite by hydrogen %J Doklady Akademii Nauk %D 1961 %P 1338-1340 %V 140 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_140_6_a25/ %G ru %F DAN_1961_140_6_a25