%0 Journal Article %A I. E. Neimark %A V. M. Chertov %T Adsorption and ion-exchange properties of silica modified by a radical with acid functions %J Doklady Akademii Nauk %D 1961 %P 877-879 %V 138 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_138_4_a37/ %G ru %F DAN_1961_138_4_a37