%0 Journal Article %A N. N. Zatsepina %A I. F. Tupitsyn %A L. S. Efros %T Electronic structure and the rate of deuterium exchange in the methyl groups of nitrogenous %J Doklady Akademii Nauk %D 1964 %P 148-151 %V 154 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_154_1_a27/ %G ru %F DAN_1964_154_1_a27