%0 Journal Article %A V. M. Lenchenko %A Yu. Z. Akilov %T The calculation of atom collisions and paths in crystals %J Doklady Akademii Nauk %D 1972 %P 315-317 %V 203 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_203_2_a15/ %G ru %F DAN_1972_203_2_a15