%0 Journal Article %A E. I. Tinyakova %A B. A. Dolgoplosk %A T. K. Vydrina %A A. V. Alferov %T An investigation of the cation activity of the components in a cobalt system and the nature %J Doklady Akademii Nauk %D 1963 %P 1376-1378 %V 152 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_152_6_a30/ %G ru %F DAN_1963_152_6_a30