@article{DAN_1981_258_5_a17,
     author = {A. P. Kachalov and M. M. Popov},
     title = {Application of the {Gaussian} beam summation method for the computation of wave fields in the high-frequency approximation},
     journal = {Doklady Akademii Nauk},
     pages = {1097--1100},
     publisher = {mathdoc},
     volume = {258},
     number = {5},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_258_5_a17/}
}