%0 Journal Article %A A. I. Rivkind %T The influence of acidity on the exchange interaction of electron spins in vanadine salt solutions %J Doklady Akademii Nauk %D 1962 %P 1075-1076 %V 145 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_145_5_a34/ %G ru %F DAN_1962_145_5_a34