%0 Journal Article %A V. M. Babich %T On asymptotic solution of the problems of diffusion and oscillation moving sources %J Zapiski Nauchnykh Seminarov POMI %D 1989 %P 6-13 %V 179 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1989_179_a0/ %G ru %F ZNSL_1989_179_a0