%0 Journal Article %A L. A. Khalfin %T Relationship between the law of decay and the first order moment of energy distribution %J Doklady Akademii Nauk %D 1960 %P 1051-1054 %V 132 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_132_5_a21/ %G ru %F DAN_1960_132_5_a21