%0 Journal Article %A Ya. B. Zel'dovich %A D. D. Sokoloff %T Zeros of eigenfunctions of free and forced oscillations of %J Doklady Akademii Nauk %D 1984 %P 358-361 %V 275 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_275_2_a23/ %G ru %F DAN_1984_275_2_a23