%0 Journal Article %A L. M. Kovba %A V. K. Trunov %T On binary oxides containing tungsten, tantalum and niobium %J Doklady Akademii Nauk %D 1962 %P 622-624 %V 147 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_147_3_a30/ %G ru %F DAN_1962_147_3_a30