%0 Journal Article %A I. V. Aleksandrov %T The influence of tunnel transitions on the shape of nuclear magnetic resonance signals in crystals %J Doklady Akademii Nauk %D 1960 %P 1057-1059 %V 133 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_133_5_a16/ %G ru %F DAN_1960_133_5_a16