%0 Journal Article %A A. S. Kompaneets %T Diffusion from an instantaneous source in a gravitational field %J Doklady Akademii Nauk %D 1963 %P 554-556 %V 149 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_149_3_a17/ %G ru %F DAN_1963_149_3_a17