%0 Journal Article %A M. A. Kumakhov %T Investigation of the interaction of ions with crystals %J Doklady Akademii Nauk %D 1971 %P 1300-1302 %V 196 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_196_6_a13/ %G ru %F DAN_1971_196_6_a13