%0 Journal Article %A M. F. Dimentberg %A K. V. Frolov %T Sommerfeld's effect in a system whose natural frequency is varying at random %J Doklady Akademii Nauk %D 1966 %P 1293-1296 %V 171 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_171_6_a13/ %G ru %F DAN_1966_171_6_a13