%0 Journal Article %A V. M. Berdnikov %A K. I. Zamaraev %T Electronic exchange interactions in aqueous solutions of copper ammoniates, as investigated by means of nuclear magnetic resonance and electron-spin resonance %J Doklady Akademii Nauk %D 1965 %P 1108-1110 %V 160 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_160_5_a34/ %G ru %F DAN_1965_160_5_a34