%0 Journal Article %A V. M. Dziomko %T Extraction with the aid of two complex-forming substances %J Doklady Akademii Nauk %D 1960 %P 106-107 %V 133 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_133_1_a26/ %G ru %F DAN_1960_133_1_a26