%0 Journal Article %A M. M. Popov %T New method of computation of wave fields in high frequency approximation %J Zapiski Nauchnykh Seminarov POMI %D 1981 %P 195-216 %V 104 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1981_104_a18/ %G ru %F ZNSL_1981_104_a18