%0 Journal Article %A Ya. B. Zel'dovich %T Exact solution of the problem of diffusion in a periodic velocity field, and turbulent diffusion %J Doklady Akademii Nauk %D 1982 %P 821-826 %V 266 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_266_4_a12/ %G ru %F DAN_1982_266_4_a12