%0 Journal Article %A A. P. Kachalov %A M. M. Popov %T Application of the Gaussian beam summation method for the computation of wave fields in the high-frequency approximation %J Doklady Akademii Nauk %D 1981 %P 1097-1100 %V 258 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_258_5_a17/ %G ru %F DAN_1981_258_5_a17