%0 Journal Article %A A. A. Korchak %A S. I. Syrovatsky %T On the possibility of preferential acceleration of heavy elements in cosmic ray sources %J Doklady Akademii Nauk %D 1958 %P 792-794 %V 122 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_122_5_a11/ %G ru %F DAN_1958_122_5_a11